56		Mysterious Island (Adventure, Family, Sci-Fi, 1961)
55		20,000 Leagues Under the Sea (Adventure, Drama, Family, Sci-Fi, 1954)
54		Fantastic Voyage (Adventure, Family, Sci-Fi, 1966)
48		The Island at the Top of the World (Adventure, Family, Fantasy, Sci-Fi, 1974)
45		20,000 Leagues Under the Sea (Action, Adventure, Sci-Fi, 1916)
42		Escape to Witch Mountain (Adventure, Family, Fantasy, Sci-Fi, 1975)
41		The Spy Who Loved Me (Action, Adventure, Sci-Fi, 1977)
40		Flight of the Navigator (Adventure, Family, Sci-Fi, 1986)
40		Journey to the Center of the Earth (Adventure, Family, Fantasy, Sci-Fi, 1959)
40		Kruistocht in spijkerbroek (Adventure, Family, Fantasy, Sci-Fi, 2006)
40		City of Ember (Adventure, Family, Fantasy, Sci-Fi, 2008)
40		Anak ng bulkan (Family, Adventure, Fantasy, Sci-Fi, 1997)
38		Star Wars: Episode V - The Empire Strikes Back (Action, Adventure, Fantasy, Sci-Fi, 1980)
37		Star Wars: Episode VI - Return of the Jedi (Action, Adventure, Fantasy, Sci-Fi, 1983)
37		WALL·E (Animation, Adventure, Family, Sci-Fi, 2008)
37		King Kong vs. Godzilla (Action, Adventure, Fantasy, Sci-Fi, 1962)
36		Adventures of Captain Marvel (Action, Adventure, Fantasy, Sci-Fi, 1941)
36		Star Wars: Episode III - Revenge of the Sith (Action, Adventure, Fantasy, Sci-Fi, 2005)
36		Warlords of the Deep (Fantasy, Adventure, Sci-Fi, 1978)
35		Thunderbirds (Action, Adventure, Comedy, Sci-Fi, 2004)
35		X2 (Action, Adventure, Fantasy, Sci-Fi, 2003)
35		Dykkerne (Adventure, Family, Sci-Fi, 2000)
35		Super Mario Bros. (Adventure, Comedy, Family, Sci-Fi, 1993)
35		She (Action, Adventure, Fantasy, Sci-Fi, 1982)
35		Atlantis: The Lost Empire (Animation, Action, Adventure, Sci-Fi, 2001)
35		When Dinosaurs Ruled the Earth (Adventure, Fantasy, Sci-Fi, 1970)
35		Latitude Zero (Action, Adventure, Sci-Fi, 1969)
35		Barbarella (Adventure, Comedy, Fantasy, Sci-Fi, 1968)
34		Star Wars: Episode IV - A New Hope (Action, Adventure, Fantasy, Sci-Fi, 1977)
34		Kadoyng (Fantasy, Family, Sci-Fi, 1972)
34		Munster, Go Home! (Comedy, Family, Fantasy, Sci-Fi, 1966)
34		Danny the Dragon (Family, Fantasy, Sci-Fi, 1967)
34		Those Fantastic Flying Fools (Adventure, Comedy, Fantasy, Sci-Fi, 1967)
33		Pinocchio in Outer Space (Animation, Adventure, Family, Sci-Fi, 1965)
33		Willy McBean and His Magic Machine (Animation, Adventure, Family, Sci-Fi, 1965)
33		Dr. Who and the Daleks (Adventure, Family, Sci-Fi, 1965)
33		Digby, the Biggest Dog in the World (Family, Fantasy, Sci-Fi, 1973)
33		The Neptune Factor (Sci-Fi, 1973)
33		The Little Prince (Family, Fantasy, Musical, Sci-Fi, 1974)
32		Star Wars: The Force Awakens (Action, Adventure, Fantasy, Sci-Fi, 2015)
32		Journey to the Seventh Planet (Action, Adventure, Fantasy, Sci-Fi, 1962)
32		At the Earth's Core (Sci-Fi, Adventure, Fantasy, 1976)
31		Avatar (Action, Adventure, Fantasy, Sci-Fi, 2009)
31		The Lost World (Adventure, Fantasy, Sci-Fi, 1960)
31		Return from Witch Mountain (Family, Adventure, Sci-Fi, 1978)
31		Wizards (Animation, Adventure, Fantasy, Sci-Fi, 1977)
31		The Adventures of Mark Twain (Animation, Adventure, Family, Sci-Fi, 1985)
31		Valley of the Dragons (Adventure, Fantasy, Sci-Fi, 1961)
31		Flight That Disappeared (Adventure, Fantasy, Sci-Fi, 1961)
30		Patch Town (Adventure, Comedy, Fantasy, Sci-Fi, 2014)
30		Star Kid (Adventure, Sci-Fi, Family, 1997)
30		Teenage Mutant Ninja Turtles (Action, Adventure, Comedy, Sci-Fi, 2014)
30		Frankenstein and Me (Comedy, Family, Fantasy, Sci-Fi, 1996)
30		Men in Black (Adventure, Comedy, Family, Sci-Fi, 1997)
30		Earth to Echo (Adventure, Family, Sci-Fi, 2014)
30		Godzilla (Action, Adventure, Sci-Fi, 2014)
30		Beowulf (Action, Adventure, Fantasy, Sci-Fi, 1999)
30		Goodbye, 20th Century (Adventure, Comedy, Fantasy, Sci-Fi, 1998)
30		Escape from Chernobourg (Adventure, Action, Fantasy, Sci-Fi, 1999)
30		Lost in Space (Action, Adventure, Family, Sci-Fi, 1998)
30		Storybook (Adventure, Family, Animation, Sci-Fi, 1996)
30		Legacy of the Tengu (Action, Family, Fantasy, Sci-Fi, 2014)
30		Nosferatu vs. Father Pipecock & Sister Funk (Adventure, Comedy, Fantasy, Sci-Fi, 2014)
30		The Lost World (Adventure, Fantasy, Sci-Fi, 1992)
30		I racconti dell'orso (Adventure, Comedy, Family, Sci-Fi, 2015)
30		Shadow Dancer: The Secret of Shinobi (Action, Adventure, Fantasy, Sci-Fi, 1990)
30		Highlander II: The Quickening (Action, Adventure, Fantasy, Sci-Fi, 1991)
30		Bill & Ted's Bogus Journey (Adventure, Comedy, Fantasy, Sci-Fi, 1991)
30		Crime Zone (Action, Adventure, Fantasy, Sci-Fi, 1989)
30		Felix the Cat: The Movie (Animation, Adventure, Family, Sci-Fi, 1988)
30		Masters of the Universe (Action, Adventure, Fantasy, Sci-Fi, 1987)
30		*batteries not included (Comedy, Family, Fantasy, Sci-Fi, 1987)
30		Shock! Shock! Shock! (Adventure, Comedy, Fantasy, Sci-Fi, 1987)
30		And You Thought Your Parents Were Weird (Comedy, Family, Fantasy, Sci-Fi, 1991)
30		Tomorrowland (Action, Adventure, Family, Sci-Fi, 2015)
30		George Anton's Romeo and Juliet (Adventure, Fantasy, Sci-Fi, 2014)
30		Taxandria (Animation, Adventure, Fantasy, Sci-Fi, 1994)
30		Mighty Morphin Power Rangers: The Movie (Action, Adventure, Family, Sci-Fi, 1995)
30		Time Teens: The Beginning (Action, Adventure, Fantasy, Sci-Fi, 2015)
30		Mom and Dad Save the World (Adventure, Comedy, Family, Sci-Fi, 1992)
30		Magnetic (Adventure, Fantasy, Sci-Fi, 2015)
30		Cumulus 9 (Action, Adventure, Fantasy, Sci-Fi, 1992)
30		Honey I Blew Up the Kid (Adventure, Comedy, Family, Sci-Fi, 1992)
30		Mortal Kombat (Action, Adventure, Fantasy, Sci-Fi, 1995)
30		The Boy with the X-Ray Eyes (Adventure, Comedy, Family, Sci-Fi, 1999)
30		Underworld: Evolution (Action, Adventure, Fantasy, Sci-Fi, 2006)
30		X-Men: The Last Stand (Action, Adventure, Fantasy, Sci-Fi, 2006)
30		Khottabych (Adventure, Comedy, Fantasy, Sci-Fi, 2006)
30		Zoom (Action, Adventure, Family, Sci-Fi, 2006)
30		Sky High (Adventure, Comedy, Family, Sci-Fi, 2005)
30		Encounter: Omzion (Animation, Adventure, Fantasy, Sci-Fi, 2010)
30		Thor (Action, Adventure, Fantasy, Sci-Fi, 2011)
30		Gojira: Fainaru uôzu (Action, Adventure, Fantasy, Sci-Fi, 2004)
30		Blade: Trinity (Action, Adventure, Fantasy, Sci-Fi, 2004)
30		Race to Witch Mountain (Action, Adventure, Family, Sci-Fi, 2009)
30		Pokémon: The Rise of Darkrai (Animation, Adventure, Family, Sci-Fi, 2007)
30		The Crusaders #357: Experiment in Evil! (Action, Adventure, Fantasy, Sci-Fi, 2008)
30		20th Century Boys 1: Beginning of the End (Adventure, Fantasy, Mystery, Sci-Fi, 2008)
30		Wake-Up Callz (Adventure, Fantasy, Sci-Fi, 2008)
30		Journey to the Center of the Earth (Action, Adventure, Family, Sci-Fi, 2008)
30		Meet Dave (Adventure, Comedy, Family, Sci-Fi, 2008)
30		Odysseus: Voyage to the Underworld (Action, Adventure, Fantasy, Sci-Fi, 2008)
30		Underworld: Rise of the Lycans (Action, Adventure, Fantasy, Sci-Fi, 2009)
30		Hellboy II: The Golden Army (Action, Adventure, Fantasy, Sci-Fi, 2008)
30		Gojira tai Mosura tai Mekagojira: Tôkyô S.O.S. (Action, Adventure, Fantasy, Sci-Fi, 2003)
30		Kaena: The Prophecy (Animation, Adventure, Family, Sci-Fi, 2003)
30		Man of Steel (Action, Adventure, Fantasy, Sci-Fi, 2013)
30		Robosapien: Rebooted (Adventure, Drama, Family, Sci-Fi, 2013)
30		Megiddo: The Omega Code 2 (Action, Adventure, Fantasy, Sci-Fi, 2001)
30		An Enraged New World (Adventure, Fantasy, Action, Sci-Fi, 2002)
30		Spy Kids (Action, Adventure, Comedy, Sci-Fi, 2001)
30		Highlander: Endgame (Action, Adventure, Fantasy, Sci-Fi, 2000)
30		Muppets from Space (Adventure, Comedy, Family, Sci-Fi, 1999)
30		Thor: The Dark World (Action, Adventure, Fantasy, Sci-Fi, 2013)
30		Pokémon the Movie: Genesect and the Legend Awakened (Animation, Adventure, Family, Sci-Fi, 2013)
30		Cybornetics (Action, Adventure, Fantasy, Sci-Fi, 2012)
30		Star Wars: Episode II - Attack of the Clones (Action, Adventure, Fantasy, Sci-Fi, 2002)
30		Captain America: The First Avenger (Action, Adventure, Sci-Fi, 2011)
30		Sumuru (Adventure, Sci-Fi, Fantasy, 2003)
30		Amazons (Action, Fantasy, Adventure, Sci-Fi, 1986)
30		The Night Shift (Adventure, Comedy, Fantasy, Sci-Fi, 2011)
30		Treasure Planet (Animation, Adventure, Family, Sci-Fi, 2002)
30		Reign of Fire (Action, Adventure, Fantasy, Sci-Fi, 2002)
30		The Instant Messenger Mission (Adventure, Fantasy, Sci-Fi, 2011)
30		Science Fiction (Adventure, Family, Mystery, Sci-Fi, 2002)
30		Star Wars: Episode I - The Phantom Menace (Action, Adventure, Fantasy, Sci-Fi, 1999)
30		Honey, I Shrunk the Kids (Adventure, Comedy, Family, Sci-Fi, 1989)
30		Undersea Kingdom (Sci-Fi, Adventure, 1936)
30		SOS Coast Guard (Adventure, Romance, Sci-Fi, 1937)
30		Beneath the Planet of the Apes (Action, Adventure, Sci-Fi, 1970)
30		Unidentified Flying Oddball (Comedy, Family, Adventure, Sci-Fi, 1979)
30		Heavy Metal (Animation, Adventure, Fantasy, Sci-Fi, 1981)
30		Time Bandits (Adventure, Comedy, Fantasy, Sci-Fi, 1981)
30		One Million B.C. (Adventure, Fantasy, Romance, Sci-Fi, 1940)
30		From the Earth to the Moon (Adventure, Fantasy, Sci-Fi, 1958)
30		Silver Needle in the Sky (Adventure, Family, Sci-Fi, 1954)
30		Hello Down There (Comedy, Sci-Fi, 1969)
30		The Land Unknown (Adventure, Fantasy, Sci-Fi, 1957)
30		The Invisible Boy (Adventure, Comedy, Family, Sci-Fi, 1957)
30		While Nero Fiddled (Adventure, Comedy, Fantasy, Sci-Fi, 1944)
30		Queen of Outer Space (Adventure, Fantasy, Sci-Fi, 1958)
30		F. P. 1 Doesn't Answer (Fantasy, Sci-Fi, 1933)
30		She (Adventure, Fantasy, Romance, Sci-Fi, 1935)
30		Biggles: Adventures in Time (Adventure, Family, Sci-Fi, 1986)
30		Baby: Secret of the Lost Legend (Family, Adventure, Sci-Fi, 1985)
30		Playing Beatie Bow (Family, Fantasy, Sci-Fi, 1986)
30		Eliminators (Action, Adventure, Fantasy, Sci-Fi, 1986)
30		Chandu the Magician (Action, Adventure, Fantasy, Sci-Fi, 1932)
30		Rainbow Brite and the Star Stealer (Animation, Adventure, Family, Sci-Fi, 1985)
30		Supergirl (Action, Adventure, Fantasy, Sci-Fi, 1984)
30		The Great Mouse Detective (Animation, Adventure, Family, Sci-Fi, 1986)
30		SpaceCamp (Adventure, Family, Sci-Fi, 1986)
28		Robinson Crusoe on Mars (Adventure, Sci-Fi, 1964)
27		2001: A Space Odyssey (Adventure, Mystery, Sci-Fi, 1968)
27		Captain America: Civil War (Action, Adventure, Sci-Fi, 2016)
26		Planet of the Apes (Adventure, Romance, Sci-Fi, 1968)
26		Captain America: The Winter Soldier (Action, Adventure, Sci-Fi, 2014)
26		Paprika (Animation, Adventure, Crime, Sci-Fi, 2006)
25		Some Girls Do (Action, Adventure, Comedy, Sci-Fi, 1969)
25		Thunderbird 6 (Family, Sci-Fi, 1968)
25		Krrish (Action, Adventure, Romance, Sci-Fi, 2006)
25		Hibernatus (Comedy, Fantasy, Sci-Fi, 1969)
25		Jimmy Neutron: Boy Genius (Animation, Action, Adventure, Sci-Fi, 2001)
25		Transformers: Revenge of the Fallen (Action, Adventure, Sci-Fi, 2009)
25		The Love Factor (Comedy, Fantasy, Sci-Fi, 1969)
25		Terminator Salvation (Action, Adventure, Sci-Fi, 2009)
25		Alien Hunter (Action, Adventure, Sci-Fi, 2003)
25		The Day After Tomorrow (Action, Adventure, Sci-Fi, 2004)
25		Sky Captain and the World of Tomorrow (Action, Adventure, Mystery, Sci-Fi, 2004)
25		Frankenweenie (Animation, Comedy, Family, Sci-Fi, 2012)
25		Mars Needs Moms (Animation, Action, Adventure, Sci-Fi, 2011)
25		Agent Cody Banks 2: Destination London (Action, Adventure, Comedy, Sci-Fi, 2004)
25		Pacific Rim (Action, Adventure, Sci-Fi, 2013)
25		Lupin III: Farewell to Nostradamus (Animation, Action, Adventure, Sci-Fi, 1995)
25		Star Trek: Generations (Action, Adventure, Mystery, Sci-Fi, 1994)
25		Beyond Redemption: Space Captain (Adventure, Comedy, Horror, Sci-Fi, 2014)
25		The Fighting Devil Dogs (Adventure, Sci-Fi, War, 1943)
25		Captain America (Action, Adventure, Sci-Fi, 1944)
25		The Mysterious Island (Adventure, Romance, Sci-Fi, 1929)
25		Rolling Thunder (Fantasy, Sci-Fi, 1991)
25		Spaceballs (Adventure, Comedy, Sci-Fi, 1987)
25		Star Trek Beyond (Action, Adventure, Sci-Fi, 2016)
25		Mad Max Beyond Thunderdome (Action, Adventure, Sci-Fi, 1985)
25		The Return of Captain Invincible (Musical, Fantasy, Comedy, Sci-Fi, 1983)
25		Jungle Manhunt (Adventure, Sci-Fi, 1951)
25		The Lovers (Action, Adventure, Romance, Sci-Fi, 2015)
25		G.I. Joe: Retaliation (Action, Adventure, Sci-Fi, 2013)
25		Pokémon 3: The Movie (Animation, Action, Adventure, Sci-Fi, 2000)
25		Escape from Planet Earth (Animation, Adventure, Comedy, Sci-Fi, 2013)
25		Junket 89 (Sci-Fi, Family, 1970)
25		A Fish Tale (Animation, Adventure, Comedy, Sci-Fi, 2000)
25		Egghead's Robot (Family, Sci-Fi, 1970)
25		Iron Man Three (Action, Adventure, Sci-Fi, 2013)
25		Superman and the Mole-Men (Action, Drama, Family, Sci-Fi, 1951)
25		Captain Video, Master of the Stratosphere (Sci-Fi, Adventure, 1951)
25		Superman Returns (Action, Adventure, Sci-Fi, 2006)
25		Port Sinister (Adventure, Crime, Sci-Fi, 1953)
25		Inspector Gadget (Action, Adventure, Comedy, Sci-Fi, 1999)
24		Our Man Flint (Action, Adventure, Comedy, Sci-Fi, 1966)
24		Operazione Goldman (Adventure, Sci-Fi, 1966)
24		Gammera the Invincible (Family, Sci-Fi, 1966)
24		In Like Flint (Action, Adventure, Comedy, Sci-Fi, 1967)
24		They Came from Beyond Space (Adventure, Sci-Fi, 1967)
24		The Reluctant Astronaut (Comedy, Family, Sci-Fi, 1967)
24		King Kong Escapes (Adventure, Sci-Fi, 1967)
24		The Million Dollar Duck (Comedy, Family, Sci-Fi, 1971)
24		Now You See Him, Now You Don't (Family, Comedy, Sci-Fi, 1972)
24		The Killing Bottle (Action, Adventure, Sci-Fi, 1967)
24		The Silencers (Action, Adventure, Comedy, Sci-Fi, 1966)
24		Daleks' Invasion Earth 2150 A.D. (Family, Sci-Fi, 1966)
24		Murderers' Row (Action, Adventure, Comedy, Sci-Fi, 1966)

Notes: Movies similar to Captain Nemo and the Underwater City, Movies like Captain Nemo and the Underwater City, Adventure, Family, Fantasy, Sci-Fi, James Hill, Robert Ryan, Chuck Connors, Nanette Newman, Luciana Paluzzi, SF, Science Fiction, SciFi, Sci Fi, Films, Video, Movie Similarities