The alphabet is listed below. To jump to an appropriate section,
click on a letter below or just scroll through the index.
Click on the title of any selection below to jump the the detailed catalog description.
[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]
The A's [TOP]
Click on the title of any selection below to jump the the detailed catalog description.
| Number | Title | Producer | Length (Minutes) |
| D146b | ABACO BLUE HOLES EXPEDITION LIVE | Jill Heinerth, ©2016 | 27:48 |
| D141c | ABIGAIL'S UNDERGROUND | Ian Ellis Chandler, ©2013 | 23:46 |
| D151a | THE ALLURE OF MCFAILS CAVE | Mike Sandone, ©2018 | 14:33 |
| D100 | L'ABISSO (THE ABYSS) | Francesco Sauro, © 2006 Accademia della Lessinia | 1:15:00 |
| D69 | APPALACHIAN CAVING, RAMBLING IN TIME & SPACE | Paul Stevens, 1992 | 44:00 |
The B's [TOP]
Click on the title of any selection below to jump the the detailed catalog description.
| Number | Title | Producer | Length (Minutes) |
| D42 | BACK UNDERGROUND IN INDIANA | ©2006 NSS Convention 2007, William Pea, Producer | 21:00 |
| D127 | 13 BAK' TUN, THE MOVIE | ©2012 NSS Convention 2012, David Socky, Producer | 50:00 |
| D53b | THE BAT THAT CRACKED THE FROG CODE | BBC, 1982 | 21:55 |
| D51 | THE BAT, THE BLOSSOM, AND THE BIOLOGIST | 25:36 |
|
| D60 | BATS ARE BEAUTIFUL | Jack Schmidling, 1985 | 22:16 |
| D60 | BATS, BATS, BEAUTIFUL BATS | BCI | 11:00 |
| D49 | BATS OF AMERICA | BCI, 1990 | 16:00 |
| D108 | THE BATTLE FOR BATS | David McGowan, Ravenswood Media, Inc., 2009 | 9:00 |
| D154 | BLACK GUIDES OF MAMMOTH CAVE (YOUTUBE ONLY) | Edward Forrest Frank, ©2017 | 53:37 |
| D141d | BLACK WATER | Ian Ellis Chandler, ©2013 | 6:10 |
| D135 | BEN'S VORTEX | Robert McClellan. Heinerth Productions Inc., ©2013 | 86:00 |
| D98 | BENEATH THE BROKEN EARTH | Brandon Kowallis, © 2009 Blue 8 Productions | 16:41 |
| D56c | BIKINI CAVERS, AKA CAVE FLORIDA: COME BLOCK OUT THE SUN | Cara Gentry, 2008 | 5:00 |
| D91 | BORNEO, LA MÉMOIRE DES GROTTES | Luc-Henri Fage, © 2004 MC4, ARTE | 52:00 |
| D163 | A BRIEF CONVERSATION WITH ROGER BRUCKER (YOUTUBE ONLY) | Edward Frank & Phoebe Frear, © 2013 | 17:00 |
| D25 | BURIED TREASUER: KENTUCKY'S SALTPETER MINES IN THE WAR OF 1812 | Gary O'Dell, 2002 | 45:00 |
The C's [TOP]
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| Number | Title | Producer | Length (Minutes) |
| D97 | CABO ESPICHEL | Pedro Pinto, © 2008 CEAE | 35:00 |
| D164 | CASTLEGUARD CAVE: HINDSIGHT 2020 (YOUTUBE ONLY) | Darryl Jensen, ©2020 | 25:05 |
| D146c | CASTLEGUARD EXPEDITION | Richard Patenaude, ©2017 | 11:06 |
| D7 | THE CAVE | Hugh Taft-Morales. Milk Bottle Productions 2003 | 21:05 |
| D52 | CAVE BIOLOGY FOR CAVERS | Paul Stevens, 1992 | 17:44 |
| D21 | CAVE CONSERVATION AND ETHICS | Tom Zannes ©2000. Electronic Films, Inc and Guadalupe Mountains Association | 11:26 |
| D107 | A CAVE DIVER STORY | Marty O'Farrell, 2009 | 52:00 |
| D3 | CAVE OF THE WINDING STAIR | Stan Ulfeldt. 1960 | 26:30 |
| D137b | CAVER HOPE AND THE VAMPIRE CAVE | Kathrine Thorwart. ©David Ader October 2012 | 6:05 |
| D131 | CAVERNS OF SONORA: NATURE'S ART GALLERY | GAB Productions, Atlanta, 1990 | 47:27 |
| D132 | CAVERNS OF SONORA: TEXAS' GREAT TREASURE | Dale Anderson of Firefly Productions. ©2004 Caverns of Sonora | |
| D75 | THE CAVERS | John Donegan, 1993 | 9:34 |
| D155 | CAVES AND LEGENDS: EXPLORING BALLS CAVE (YOUTUBE ONLY) | Mike Sandone, Sandone Films, LLC, ©2020 | 15:00 |
| D32 | CAVES: CRITTERS, GROUNDWATER & SPELEOLOGY | Randall Blackwood, ©1998, USF&WS | 19:50 |
| D41 | CAVES: LIFE BENEATH THE FOREST | ©2006 Ravenswood Media, David McGowan, Producer | 32:00 |
| D71 | CAVES OF ISLA DE MONA, PUERTO RICO | Paul Stevens, 1993 | 19:37 |
| D12 | THE CAVES OF SINKING VALLEY | by Chris Johns and Larry Simpson. 2005 | 55:00 |
| D76 | THE CAVES OF SOUTHEAST ALASKA | Ward Serrill | 13:19 |
| D64 | CAVES OF THUNDER | Gavin Newman, 1993 | 18:15 |
| D133 | CAVES: THE SOCIAL UNDERGROUND | Luke McMahon, 2012 | 9:37 |
| D141e | CAVES - UNDERGROUND REALMS | Jonathan Spurgeon, ©2014 | 2:02 |
| D140a | CAVING FOR CURES | Vivian Trakinski, 2012 (16x9) | 8:12 |
| D144c | CAVING IN CHINA: A LITTLE SOMETHING FOR EVERYONE | ©David Socky - Hodag Video Productions, 2016 | 30:36 |
| D27 | CAVIS AND ROCKHEAD | Fred Baumann, 1995 | 15:10 |
| D6 | CLARKSVILLE DINNER | Morrie Gasser. 1996 | 5:06 |
| D73 | CHINA EXPEDITION | Paul Stevens, 1993 | 43:00 |
| D142a | CM CAVE ADVENTURE | ©2013, Joe Furman | 35:45 |
| D156 | CONNECTING CAVES - THE MCCLUNGS CAVE DIVE (YOUTUBE ONLY) | Dave Socky - Hodag Video Productions, ©2020 | 15:38 |
| D37 | CRYSTAL BEACH REVISTED | ©2006, Mudbug Productions, Sandra Poucher, Producer | 30:33 |
| D124 | CRYSTAL CAVE | ©2011, Al Ogden, Producer | 13:10 |
| D157 | CRYSTAL ICE CAVE (YOUTUBE ONLY) | Steven M. Baumfardner, ©2019 | 8:38 |
The D's [TOP]
Click on the title of any selection below to jump the the detailed catalog description.
| Number | Title | Producer | Length (Minutes) |
| D59 | DARK CRYSTALS | Spéléfilm, 1987 | 51:16 |
| D47 | DESCENT INTO DARKNESS | 52:20 |
|
| D81 | DESERT VISION | Miramar, 1987 | 51:20 |
| D61 | THE DIG | Gerry Estes 2000 | 19:30 |
| D18 | THE DISCOVERY OF GRAND CAVERNS | Produced by David Socky, Hodag Video Productions ©2006. | 28:00 |
| D159 | THE DISVOVERY OF MARSHALLS CAVE (YOUTUBE ONLY) | Mike Sandone, Sandone Films, LLC, ©2019 | 11:09 |
| D82 | DOWN UNDER TEXAS | Texas Parks & Wildlife Dept., 1990 | 28:00 |
| D150b | THE DREAM LAKE STORY | David Socky, Hodag Video Productions ©2018. | 37:54 |
| D26 | DROP STORY | ©Spéléfilm, 1987 | 50:25 |
| D14 | THE DUNBAR/WOODWARD CAVE SYSTEM | Tom Cussen ©2004. | 13:30 |
The E's, F's, G's [TOP]
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| Number | Title | Producer | Length (Minutes) |
| D146d | EDGEWOOD CAVERNS | Jim Cox, ©2010 | 13:00 |
| D55 | THE EDWARDS AQUIFER: EZELL’S CAVE AND THE SEARCH FOR THE BLIND MONSTER | ©2007 Joe Furman, Producer | 40:00 |
| D11 | EXPEDITIONS TO THE EDGE: CAVE FLOOD | Field Producer: Benji von Cramon. GRB Entertainment ©2004. | 46:00 |
| D72 | EXPLORATION IN THE SIERRA JUAREZ, OAXACA MEXICO | Paul Stevens, 1993 | 23:40 |
| D99 | EXPLORATION OF SNOWY RIVER 2008 | James T. Cox, © 2009 | 35:00 |
| D165 | EXPLORING CLARKSVILLE CAVE (CAVES AND LEGENDS) (YOUTUBE ONLY) | Mike Sandone, ©2021 | 12:00 |
| D146e | EXPLORING SISTEMA HUAUTLA 2015 | Whole Earth Provision Company & Bill Steele, ©2015 | 16:09 |
| D66 | EXTREME SCIENCE: ICE CAVES | Larry Engel, 2001 | 26:00 |
| D9 | FIVE SHORT HOURS OF CAVING | Dave Socky, Hodag Video Productions ©2005. | 15:00 |
| D109 | THE FLOYD COLLINS NEWSREEL | Dean H. Snyder, 2010 | 7:00 |
| D80 | FLYING FOX | Time-Life Films, 1978 | 22:26 |
| D80 | FLYING FOX ES | 15:00 |
|
| D125 | ITHE FORGOTTEN SPECIES | ©2004, Sasa Milanovic | 22:33 |
| D140b | GET WET! | Benjamin von Cramon, 2012 (16x9) | 5:18 |
| D44 | THE GIANT OF THE SOUTH | ©2006, Marcus Taylor | 40:00 |
| D145b | GRAND CANYON CAVERNS DRILLING | ©Paul R Jorgenson, 2016 | 8:48 |
| D2 | THE GREATEST CAVER: FLOYD COLLINS, THROUGH THE EYES OF THE COLLECTOR | Dave Socky, Hodag Video Productions ©2002. | 31:00 |
The H's & I's [TOP]
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| Number | Title | Producer | Length (Minutes) |
| D58 | HART ATTACK | Produced by Wes Skiles, Karst Productions ©2008. | 6:00 |
| D77 | HAWAII - CAVE DIVING IN PARADISE | Mike & Sherry Garman, 1999 | 16:18 |
| D63 | HIDDEN TREASURES OF THE YUCATAN | Mike Garman, 1998 | 22:36 |
| D102 | THE HISTORY OF MCFAILS CAVE | ©1991, Paul Stevens | 28:00 |
| D126 | HOFF CAVE PRESERVE DEDICATION | ©2011, Eugene Vale | 120:00 |
| D29 | HOLLOW GROUND | Produced by Patrick Jackson & Al Ogden ©2001, TDEC | 15:42 |
| D142b | HONEY CREEK CAVE EXTRAVAGANZA | ©2013, Joe Furman | 39:56 |
| D136b | THE HUAUTLA INVTERVIEWS | Produced by Jay Arnold. ©Deepest Cave Co., 1995/2013 | 44:00 |
| D136a | HUAUTLA: THE MEXICAN CAVE | Produced by Jay Arnold. ©Deepest Cave Co., 1995 | 35:00 |
| D145a | THE HUNT FOR BAT BOY - EPISODE 1 | ©Mark Passerby, 2015 | 7:19 |
| D146f | THE HUNT FOR BAT BOY - EPISODE 1 - 4 | ©Mark Passerby, 2017 | 17:39 |
| D96 | ICE ISLAND | Jill Heinerth & Wes Skiles, © 2003, Karst Productions | 56:46 |
| D43 | ICS2009 PROMOTIONAL VIDEO | ©2007 ICS 2009, produced by Dave Socky, Hodag Video Productions | 6:56 |
| D38 | IN SIGHT OF LIGHT | ©2006, Tartala Entertainment & and Ian Ellis Chandler | 5:22 |
| D83 | IN THE CELLARS OF THE WORLD | 1987 | 23:00 |
| D143b | INSIDE BRACKEN BAT CAVE WITH NCKRI AND BCI | Produced by Robert Garner ©2014 | 13:04 |
| D110 | INTO DARKNESS | ©John Waller, 2010 | 14:51 |
| D19 | INTO THE DARKNESS | Produced by Marcus Taylor ©2006 | 35:00 |
| D46 | INTO THE DEPTHS OF FERN CAVE | Produced by the Huntsville Grotto of the NSS ©1966 | 27:40 |
| D31 | INTO THE GROUND.... INTO THE WATER | ©VA Tech Relations, 1990 | 14:48 |
| D160 | AN INTRODUCTION TO PROJECT CAVING (YOUTUBE ONLY) | Derek Bristol, ©2020 | 11:48 |
| D167 | INTERNATIONAL YEAR OF CAVES AND KARST (YOUTUBE ONLY) | Uwe Krüger, ©2020 | 6:38 |
| D166 | INVISIBLE RIVER (EL RIO INVISIBLE) (YOUTUBE ONLY) | Sofia Oggioni, ©2019 | 19:00 |
The J's, K's, & L's [TOP]
Click on the title of any selection below to jump the the detailed catalog description.
| Number | Title | Producer | Length (Minutes) |
| D68 | JACKSON BLUE | Charles Bickelman 1992 | 18:30 |
| D78 | THE JEWELS OF THE DARK | Axell Comm., 1993 | 50:17 |
| D137a | JOE CAVER IN "THE CRYSTAL" | Kathrine Thorwart. ©David Ader October 2012 | 5:02 |
| D1 | JOURNEY INTO AMAZING CAVES | Produced by Greg MacGillivray, Alec Lrimore,and Steve Judson. 2001 | 40:00/80:00 |
| D111 | JOURNEY INTO FOSSIL CAVE | Christopher Johns and Art White, CJ Productions LLC, 2009 | 52:02 |
| D62 | JOURNEY INTO THE EARTH | Byzance Film, 1999 | 50:56 |
| D57 | JOURNEY TO THE CENTER OF THE WORLD | Field produced by Benjy von Cramen. Lone Wolf, ©2008 | 52:00 |
| D117 | KARST TOPOGRAPHY: A UNIQUE AND FRAGILE ENVIRONMENT | Al Ogden, Tennessee Department of Environment and Conservation ©2010 | 17:41 |
| D94 | KAWACHI | Sayaka Hioki, © 2008 VINZ | 48:00 |
| D84 | LAVA TUBES IN EL MALPAIS, NM | Paul Stevens, 1992 | 17:46 |
| D85 | LAVA TUBES IN THE SOLAR SYSTEM | Paul Stevens, 1992 | 32:51 |
| D24 | LECHUGUILLA CAVE: THE HIDDEN GIANT (CAVER'S VERSION) | ©Denver Museum of Natural History, 1989 | 68:03 |
| D33 | LIVING ON KARST | Benjamin von Cramon Procuctions©2002 | 18:00 |
| D151b | THE LOST CAVE OF MONROE | Mike Sandone, ©2017 | 25:52 |
| D168 | LOST COPPER MINES OF CONNECTICUT (YOUTUBE ONLY) | Mike Sandone, ©2020 | 31:00 |
| D129 | LUMINARY TALKS 2012 - DWIGHT 'DIRTDOC' DEAL | Produced by David Socky, Alex Sproul, and Geary Schindel. 2012 | 53:00 |
| D128 | LUMINARY TALKS 2012 -JEANNE GURNEE | Produced by David Socky, Alex Sproul, and Geary Schindel. 2012 | 43:00 |
| D130 | LUMINARY TALKS 2012 - WILLIAM B. 'WILL' WHITE | Produced by David Socky, Alex Sproul, and Geary Schindel. 2012 | 48:00 |
| D17 | THE LURE OF THE LINT | Produced by Greg Glazner, ©2005 | 18:00 |
The M's & N's [TOP]
Click on the title of any selection below to jump the the detailed catalog description.
| Number | Title | Producer | Length (Minutes) |
| D147, D148, D149 | MADAGASCAR - AN ADVENTURE TALE | ©Benjamin von Cramon, 2006 | 3:03:13 hours |
| D151c | MAIN DRAIN SUMP DIVE 2016 | Aubri Jenson, ©2016 | 22:33 |
| D30 | MANAGING CAVES - A Special Challenge | Bob Kyle & Randy Hayes, NARSC Resource, Video Production, for the New Mexico Bureau of Land Management (BLM), ©1995 | 11:43 |
| D15 | MEGADOLINES | ©Spéléfilm, 1987 | 55:15 |
| D53a | MERLIN'S BATS | . NGS | 8:30 |
| D123 | MESA JUAREZ, MEXICO | ©Ben Edelstein, 2011 | 10:00 |
| D13 | MEXICO: FEBRUARY 2002 | ©O'Diam Editing, 2004 | 30:00 |
| D158 | MINES AND MYSTERIES: THE WOODBURY COPPER MINE (YOUTUBE ONLY) | Mike Sandone, Sandone Films, LLC, ©2020 | 43:31 |
| D144a | MIST AND MAGIC IN MURDER HOLE | ©Randolph Walker, 2014 | 2:53 |
| D144b | MURDER HOLE | ©David Socky - Hodag Video Productions, 2016 | 28:06 |
| D40 | MY SOUTH | ©2006 Turner South Television, produced by Michael Gilbert & Central Alabama Grotto | 1:00 |
| D93 | LE MYSTÈRE DE LA BALEINE | Luc-Henri Fage, © 2009 GEDEON, LH Fage, Centre Terre | 52:00 |
| D122 | THE MYSTERY OF THE GIANT CRYSTALS | Triana - Sci & Tech ©2010 | 50:00 |
| D56a | NEW WAVE CAVE | TPW, ©2008. Don Cash, Producer | 7:40 |
| D150g | NO CAVE FOR OLD MEN | ©2008 Peter Penczer | 24:00 |
| D138 | NO PLACE ON EARTH | Magnolia Pictures. ©2012 Into the Dark L.L.C. | 83:00 |
| D56b | NSS CONVENTION 2008 PROMO | Dan Straley, ©2007, NSS | 11:38 |
| D141b | NSS CONVENTION 2014 PROMO | Jody Bailey, ©2013, NSS | 7:30 |
| D153 | NSS CONVENTION 2020 PROMO | David Socky, ©2019, NSS | 9:27 |
| D16 | THE NSS 2003 PHOTO SALON | ©NSS, 2006 | 14:46 |
| D20 | THE NSS 2006 PHOTO SALON | ©NSS, 2007 | 17:00 |
| D118 | THE NSS 2008 TO 2015 PHOTO SALONS | ©NSS, 2015 | 4:33:00 |
| D141a | THE NSS VIDEO SALON 2014 AWARDS SHOW | ©David Socky, NSS, 2014 | 20:00 |
| D143a | THE NSS VIDEO SALON 2015 AWARDS SHOW | ©David Socky, NSS, 2015 | 14:00 |
| D146a | THE NSS VIDEO SALON 2017 AWARDS SHOW | ©David Socky, NSS, 2017 | 12:23 |
| D150a | THE NSS VIDEO SALON 2018 AWARDS SHOW | ©David Socky, NSS, 2018 | 13:13 |
| D152 | THE NSS VIDEO SALON 2019 AWARDS SHOW | ©David Socky, NSS, 2019 | 13:02 |
The O's & P's [TOP]
Click on the title of any selection below to jump the the detailed catalog description.
| Number | Title | Producer | Length (Minutes) |
| D145c | PESH EXPEDITION STORY | ©Whole Earth Provision Company, 2015 | 30:48 |
| D141f | PHANTOM SPRING | ©2014 Andres Pitkin | 8:00 |
| D86 | PITS, CRATERS, AND LAVA TUBES | Spéléfilm, 1987 | 50:05 |
| D39 | PLANET EARTH: CAVES | ©2006, ©2005 BBC Bristol, Huw Cordey, Producer | 48:00 |
| D113 | PLAYING SMART AGAINST INVASIVE SPECIES | ©2010, USDA Forest Service | 26:46 |
| D87 | POWIE, ALASKA | Paul Stevens, 1991 | 28:00 |
| D145d | PRIEST'S GROTTO PROJECT: MAKING OF A VIRTUAL ENVIRONMENT | ©Benjamin von Cramon, 2016 | 13:00 |
| D161 | AN OVERVIEW OF CAVING (YOUTUBE ONLY) | Derek Bristol, ©2020 | 8:03 |
The R's & S's [TOP]
Click on the title of any selection below to jump the the detailed catalog description.
| Number | Title | Producer | Length (Minutes) |
| D151d | RAT'S NEXT LOW POINT PUSH | Darryl Jensen, ©2018 | 34:02 |
| D150c | RIDING SHADOWS | ©Kuenn Drake, 2013 | 3:00 |
| D139a | A ROCK AND A HARD PLACE | Third Eye Films, ©2003, Andy Sparrow | 59:00 |
| D114 | SCHOOLHOUSE CAVE FOR FUN | Explorers Club of Pittsburg, 1963 (movie film to DVD) | 11:28 |
| D23 | A SCOUTING APPROACH TO WILD CAVES | Terry Wall, ©1998, Troop 381, Shawnee Mission, KS | 1:42:41 |
| D116 | SECRET CAVE | ©Al Ogden, 2011 | 15:50 |
| D115 | SECRET WORLD OF BATS | Survival Anglia, 1991 | 47:23 |
| D150d | THE SECRETS OF CHURCH CAVE | ©Alan Chern, 2015 | 6:35 |
| D28 | SECRETS OF LIMESTONE GROUNDWATER | ©Indiana University, 1987 | 13:23 |
| D74 | SECRETS OF THE ANCIENT MAYA CEÑOTE | Sea Impressions | 31:26 |
| D169 | SILVER MINES OF THE HUDSON VALLEY (YOUTUBE ONLY) | Mike Sandone, ©2020 | 21:00 |
| D5 | SINGLE ROPE ASCENDING SYSTEMS, AN INTRODUCTION | ©David Socky - Hodag Video Productions, 2003 | 14:00 |
| D67 | SINNETT-THORN MOUNTAIN CAVE SYSTEM | ©Alex Sproul, 1987 | 8:38 |
| D54 | SNOWY RIVER AND THE DIG BETWEEN DON SAWYER MEMORIAL HALL AND MUD TURTLE PASSAGE | ©2007, James T. Cox | 44:00 |
| D35 | SNOWY RIVER AND THE MUD TURTLE RADIO LOCATION | ©2006, James T. Cox | 53:00 |
| D139b | SOLO | Third Eye Films, ©1998, Andy Sparrow | 33:00 |
| D45 | SOTANO DE LAS GOLONDRINAS | ©1967, Association for Mexican Cave Studies | 25:46 |
| D79 | THE SOUNDS OF THE SILENCE | Video Atenas ©2002 | 25:10 |
| D4 | SP
CAVE Underground Symphony Cottonwood Cave |
Produced by Fred Bauman - 1997 | 18 / 10 / 35 |
| D88 | SPELE-ICE | Spéléfilm, 1987 | 50:05 |
| D121 | THE SPELUNKER | Bill Hulstrunk, 1951 | 22:25 |
| D70 | SPIRIT OF EXPLORATION | CCGMA, 1993 | 58:00 |
The T's, U's, V'S, & W's [TOP]
Click on the title of any selection below to jump the the detailed catalog description.
| Number | Title | Producer | Length (Minutes) |
| D22 | TAG - YOU'RE IT! | Benjy von Cramon, ©NSS/BVC, 1998 | 52:05 |
| D65 | TEXAS UNDERGROUND | 11:30 |
|
| D1562 | THAILAND KARST HYDROLOGIC SURVEY 1983 | Visuals, ©1984 | 25:00 |
| D151e | THIS IS BISARO ANIMA | Christian Stenner, ©2019 | 3:27 |
| D143c | THUNDER HOLE | Produced by Richard Patenaude, ©2014 | 11:18 |
| D101 | TIME | Florence Tran, © 2006 ZED | 51:10 |
| D92 | À TRAVERS LA PIERRE | Luc-Henri Fage, © 2005 MVC, France 5, France 3 | 52:00 |
| D90 | TYROLEAN NEW WORLD RECORD 2008 | Christian Dodelin, © 2008 | 29:40 |
| D10 | UNDERGROUND FLUTES | by David Socky, Hodag Video Productions ©2005 | 55:00 |
| D8 | THE UNDERGROUND WORLD OF SEQUOIA NATIONAL PARK | by Steven Bumgardner. 2004 | 60:00 |
| D50 | VAMPIRE: NOT AS BAT AS YOU THINK | PBS, 1979 | 22:00 |
| D103 | VOICES OF THE CAVE | Robert McBride, Earthrise Entertainment, 1984 | 0:14:26 |
| D89 | VULCANO-SPELEOLOGY SYMPOSIUM, HAWAII | Paul Stevens, 1992 | 1:03:50 |
| D134 | WE ARE WATER | Robert McClellan. Heinerth Productions Inc., ©2013 | 50:00 |
| D150e | WHAT IT TAKES TO GET THE SHOT | ©Keith Edwards, 2015 | 6:58 |
| D141g | WHAT TO DO WITH THOSE PESKY SPOILS?I | Philip Lucas and David Socky, 2014 | 9:51 |
| D95 | WHITE CAT CAVE | Primož Jakopin, © 2006 | 1:58:00 |
| D120 | WHITENOSE SYNDROME IN BATS: A CONSERVATION CHALLENGE | NSS, © 2010 | 1:07:00 |
| D34 | WILDER CAVE | ©2006, Nathaniel Bluedorn and Hans Bluedorn | 19:00 |
| D36 | THE WORK OF DARK WATER: ROLLINS CAVE | ©2006, Ronald R. Jaeger | 1:05:00 |
| D150f | THE WORLD OF CAVING | ©Keith Edwards, 2017 | 4:37 |
| D119 | WORLDS BIGGEST CAVE | ©2009, National Geographic Society | 45:00 |