52		Caveman (Comedy, Sci-Fi, 1981)
48		What's Up, Hideous Sun Demon (Comedy, Sci-Fi, 1983)
48		Xing ji dun tai (Sci-Fi, Comedy, 1983)
48		Tribulation 99: Alien Anomalies Under America (Comedy, Sci-Fi, 1992)
45		Dr. Dildo's Secret (Comedy, Sci-Fi, 1970)
45		Wooly Booly: Ang classmate kong alien (Comedy, Sci-Fi, 1989)
45		2076 Olympiad (Comedy, Sci-Fi, 1977)
45		Superstarlet A.D. (Comedy, Sci-Fi, 2000)
45		Flesh Gordon (Comedy, Sci-Fi, 1974)
45		The Killer Robots and the Battle for the Cosmic Potato (Comedy, Sci-Fi, 2009)
45		Norman's Awesome Experience (Comedy, Sci-Fi, 1988)
45		50,000 B.C. (Before Clothing) (Comedy, Sci-Fi, 1963)
45		Amazon Women on the Moon (Comedy, Sci-Fi, 1987)
45		Eat and Run (Comedy, Sci-Fi, 1987)
45		The Invisible Kid (Comedy, Sci-Fi, 1988)
45		Virtue (Comedy, Sci-Fi, 1999)
45		As Time Goes by (Comedy, Sci-Fi, 1988)
45		What Planet Are You From? (Comedy, Sci-Fi, 2000)
45		Mutant on the Bounty (Comedy, Sci-Fi, 1989)
44		The Spirit of '76 (Comedy, Sci-Fi, 1990)
44		UFOria (Comedy, Sci-Fi, 1985)
44		Invasion: Stanford 1991 A.D. (Comedy, Sci-Fi, 1990)
44		Morons from Outer Space (Comedy, Sci-Fi, 1985)
44		The Revenge of the Teenage Vixens from Outer Space (Comedy, Sci-Fi, 1985)
44		The American Way (Comedy, Sci-Fi, 1986)
44		Meet the Applegates (Comedy, Sci-Fi, 1990)
44		Terminal City Ricochet (Comedy, Sci-Fi, 1990)
44		The Trouble with Dick (Comedy, Sci-Fi, 1986)
43		U.F.O. (Comedy, Sci-Fi, 1993)
43		Coneheads (Comedy, Sci-Fi, 1993)
43		The Brother from Another Planet (Comedy, Sci-Fi, 1984)
43		Freaked (Comedy, Sci-Fi, 1993)
43		Space Case (Comedy, Sci-Fi, 1992)
43		Hyperspace (Sci-Fi, Comedy, 1984)
42		Interplanetary (Comedy, Horror, Sci-Fi, 2008)
42		The Incredible Shrinking Woman (Comedy, Sci-Fi, 1981)
42		Hell's Belles (Comedy, Sci-Fi, 1995)
42		The Roly Poly Man (Comedy, Sci-Fi, 1994)
42		Dr. Caligari (Comedy, Horror, Sci-Fi, 1989)
42		Airplane II: The Sequel (Comedy, Sci-Fi, 1982)
42		Illegal Alien (Comedy, Sci-Fi, 1982)
42		I Was a Zombie for the F.B.I. (Comedy, Sci-Fi, 1982)
42		Plan 10 from Outer Space (Comedy, Sci-Fi, 1995)
42		Britannia Hospital (Comedy, Sci-Fi, 1982)
42		Niagaravation (Comedy, Sci-Fi, 1995)
42		Heartbeeps (Sci-Fi, Comedy, 1981)
41		Orgazmo (Comedy, Sci-Fi, 1997)
41		Mystery Science Theater 3000: The Movie (Comedy, Sci-Fi, 1996)
41		Walkin' on Sunshine: The Movie (Comedy, Sci-Fi, 1997)
41		Spaced Out (Comedy, Sci-Fi, 1979)
41		Simon (Comedy, Sci-Fi, 1980)
40		The Last Dudes on Earth (Comedy, Sci-Fi, 2005)
40		From Other Worlds (Comedy, Sci-Fi, 2004)
40		Phil the Alien (Comedy, Sci-Fi, 2004)
40		Dark Star (Comedy, Sci-Fi, 1974)
40		Gargaroth (Comedy, Sci-Fi, 2004)
40		The Thing with Two Heads (Comedy, Sci-Fi, 1972)
40		Sleeper (Comedy, Sci-Fi, 1973)
40		Repli-Kate (Comedy, Sci-Fi, 2002)
40		The Animal (Comedy, Sci-Fi, 2001)
40		The Mating Habits of the Earthbound Human (Comedy, Sci-Fi, 1999)
40		Cyxork 7 (Comedy, Sci-Fi, 2006)
40		Evolution (Comedy, Sci-Fi, 2001)
40		Godzilla 2001 (Comedy, Sci-Fi, 2001)
40		Evil Alien Conquerors (Comedy, Sci-Fi, 2003)
40		Alien Sex Party (Comedy, Sci-Fi, 2003)
40		Very Close Encounters of the Fourth Kind (Comedy, Sci-Fi, 1978)
40		The Sexplorer (Comedy, Sci-Fi, 1975)
40		I epithesi tou gigantiaiou mousaka (Comedy, Sci-Fi, 1999)
40		Visit to a Small Planet (Comedy, Sci-Fi, 1960)
40		Night of the Alien (Comedy, Sci-Fi, 2011)
40		The 30 Foot Bride of Candy Rock (Comedy, Sci-Fi, 1959)
40		Have Rocket -- Will Travel (Comedy, Sci-Fi, 1959)
40		Transolar Galactica (Comedy, Sci-Fi, 2011)
40		Totò nella luna (Comedy, Sci-Fi, 1958)
40		When London Sleeps It Came Alive (Comedy, Sci-Fi, 2010)
40		The Three Stooges in Orbit (Comedy, Sci-Fi, 1962)
40		Final Flesh (Comedy, Sci-Fi, 2009)
40		Her Husband's Affairs (Comedy, Sci-Fi, 1947)
40		Probable Robot (Comedy, Sci-Fi, 2015)
40		Robodoc (Comedy, Sci-Fi, 2009)
40		Hot Tub Time Machine (Comedy, Sci-Fi, 2010)
40		Hot Tub Time Machine 2 (Comedy, Sci-Fi, 2015)
40		The Noble Experiment (Comedy, Sci-Fi, 1955)
40		End of Days, Inc. (Comedy, Sci-Fi, 2015)
40		Space Milkshake (Comedy, Sci-Fi, 2012)
40		The Twonky (Comedy, Sci-Fi, 1953)
40		Absolutely Anything (Comedy, Sci-Fi, 2015)
40		Serena the Sexplorer (Comedy, Sci-Fi, 2013)
40		Mister Drake's Duck (Sci-Fi, Comedy, 1951)
40		The Search for Simon (Comedy, Sci-Fi, 2013)
40		Rock Jocks (Comedy, Sci-Fi, 2012)
40		Folklore (Comedy, Sci-Fi, 2012)
40		The Perfect Woman (Comedy, Sci-Fi, 1949)
40		The Atomic Kid (Comedy, Sci-Fi, 1954)
40		Revenge of the Bimbot Zombie Killers (Comedy, Sci-Fi, 2014)
40		Alien Autopsy (Comedy, Sci-Fi, 2006)
40		Child's Play (Comedy, Sci-Fi, 1954)
40		Atop the Fourth Wall: The Movie (Comedy, Sci-Fi, 2015)
40		Kiss Me Quick! (Comedy, Sci-Fi, 1964)
40		The Road to Hong Kong (Comedy, Sci-Fi, 1962)
40		2069 A.D. (Comedy, Sci-Fi, 1969)
40		The Bed Sitting Room (Comedy, Sci-Fi, 1969)
40		Mock Up on Mu (Comedy, Sci-Fi, 2008)
40		The Day the Fish Came Out (Comedy, Sci-Fi, 1967)
40		Time Flies (Comedy, Sci-Fi, 1944)
40		Target Audience 9.1 (Comedy, Sci-Fi, 2007)
40		The Monitors (Comedy, Sci-Fi, 1969)
40		I'll Believe You (Comedy, Sci-Fi, 2006)
40		Uchuujin from Outer Space (Comedy, Sci-Fi, 2007)
40		Crimes of the Future (Comedy, Sci-Fi, 1970)
40		Henry's Night In (Comedy, Sci-Fi, 1969)
40		Horror in the Wind (Comedy, Sci-Fi, 2008)
40		Hello Down There (Comedy, Sci-Fi, 1969)
40		Dr. Goldfoot and the Bikini Machine (Comedy, Sci-Fi, 1965)
40		Hank, Aaron and the Alien from Outer Space (Comedy, Sci-Fi, 2009)
40		Frequently Asked Questions About Time Travel (Comedy, Sci-Fi, 2009)
40		Way... Way Out (Comedy, Sci-Fi, 1966)
37		Return of the Living Dead II (Comedy, Horror, Sci-Fi, 1988)
37		The Love Factor (Comedy, Fantasy, Sci-Fi, 1969)
37		Bride of Re-Animator (Comedy, Horror, Sci-Fi, 1989)
37		Remote Control (Comedy, Romance, Sci-Fi, 1988)
37		The Naked Monster (Comedy, Horror, Sci-Fi, 2005)
37		Paradisio (Comedy, Sci-Fi, Thriller, 1962)
36		Re-Animator (Comedy, Horror, Sci-Fi, 1985)
36		Monster in the Closet (Comedy, Horror, Sci-Fi, 1986)
36		TerrorVision (Comedy, Horror, Sci-Fi, 1986)
36		Class of Nuke 'Em High Part II: Subhumanoid Meltdown (Comedy, Horror, Sci-Fi, 1991)
35		Blood Suckers from Outer Space (Comedy, Horror, Sci-Fi, 1984)
35		Voyage of the Rock Aliens (Musical, Sci-Fi, Comedy, 1984)
35		The Toxic Avenger Part III: The Last Temptation of Toxie (Action, Comedy, Fantasy, Sci-Fi, 1989)
35		Humanoids from Atlantis (Action, Comedy, Sci-Fi, 1992)
34		Nu ji xie ren (Action, Comedy, Crime, Sci-Fi, 1991)
33		Back to the Future (Adventure, Comedy, Sci-Fi, 1985)
33		Back to the Future Part II (Adventure, Comedy, Sci-Fi, 1989)
33		Cheech and Chong's Next Movie (Comedy, Crime, Sci-Fi, 1980)
33		Mars Attacks! (Action, Comedy, Sci-Fi, 1996)
33		Deformed Monsters (Comedy, Sci-Fi, Horror, 1997)
33		La lengua asesina (Comedy, Sci-Fi, Horror, 1996)
33		Blood Beach (Comedy, Horror, Sci-Fi, 1980)
32		Rising Storm (Action, Comedy, Sci-Fi, 1989)
32		Meet the Hollowheads (Comedy, Horror, Sci-Fi, 1989)
32		Not of This Earth (Comedy, Horror, Sci-Fi, 1988)
32		The Return of Swamp Thing (Sci-Fi, Horror, Comedy, 1989)
32		Purple People Eater (Comedy, Family, Sci-Fi, 1988)
32		Return of the Killer Tomatoes! (Comedy, Horror, Sci-Fi, 1988)
32		Hell Comes to Frogtown (Action, Comedy, Sci-Fi, 1988)
32		Sons of Steel (Comedy, Musical, Sci-Fi, 1988)
32		Angry Video Game Nerd: The Movie (Adventure, Comedy, Sci-Fi, 2014)
32		My Stepmother Is an Alien (Comedy, Romance, Sci-Fi, 1988)
32		Critters 2 (Comedy, Horror, Sci-Fi, 1988)
32		Bad Taste (Comedy, Horror, Sci-Fi, 1987)
32		Interzone (Action, Comedy, Sci-Fi, 1987)
32		Killer Klowns from Outer Space (Comedy, Horror, Sci-Fi, 1988)
32		Lobster Man from Mars (Comedy, Horror, Sci-Fi, 1989)
32		Humans vs Zombies (Comedy, Horror, Sci-Fi, 2011)
32		Captain Celluloid vs. the Film Pirates (Sci-Fi, Action, Comedy, 1966)
32		The Lost Skeleton of Cadavra (Comedy, Horror, Sci-Fi, 2001)
32		The Pink Chiquitas (Comedy, Horror, Sci-Fi, 1987)
32		My Favorite Martian (Comedy, Family, Sci-Fi, 1999)
32		Last of the Living (Comedy, Horror, Sci-Fi, 2009)
32		Matchless (Comedy, Sci-Fi, Thriller, 1967)
32		One-Eyed Monster (Comedy, Horror, Sci-Fi, 2008)
32		Disaster! (Animation, Comedy, Sci-Fi, 2005)
32		Zeppo: Sinners from Beyond the Moon! (Comedy, Horror, Sci-Fi, 2007)
32		Don't Ask Don't Tell (Comedy, Fantasy, Sci-Fi, 2002)
32		The Ambushers (Action, Comedy, Sci-Fi, 1967)
32		Parody Movie (Adventure, Comedy, Sci-Fi, 2009)
32		Overtime (Comedy, Horror, Sci-Fi, 2011)
32		Real Men (Action, Comedy, Sci-Fi, 1987)
32		Big Ass Spider! (Action, Comedy, Sci-Fi, 2013)
32		Second Sight (Comedy, Mystery, Sci-Fi, 1989)
32		Return to Nuke 'Em High Volume 1 (Comedy, Horror, Sci-Fi, 2013)
32		Spaceballs (Adventure, Comedy, Sci-Fi, 1987)
32		King Lear (Comedy, Drama, Sci-Fi, 1987)
32		Invasion of the Saucer Men (Comedy, Horror, Sci-Fi, 1957)
32		Nice Girls Don't Explode (Comedy, Romance, Sci-Fi, 1987)
32		Making Mr. Right (Comedy, Romance, Sci-Fi, 1987)
32		Project X (Comedy, Drama, Sci-Fi, 1987)
32		Alien Space Avenger (Comedy, Horror, Sci-Fi, 1989)
31		The Borrower (Comedy, Horror, Sci-Fi, 1991)
31		There's Nothing Out There (Comedy, Horror, Sci-Fi, 1991)
31		Suburban Commando (Action, Comedy, Sci-Fi, 1991)
31		Critters 3 (Comedy, Horror, Sci-Fi, 1991)
31		I Married a Strange Person! (Animation, Comedy, Drama, Sci-Fi, 1997)
31		Guyver (Sci-Fi, Action, Comedy, 1991)
31		The Age of Insects (Sci-Fi, Comedy, Horror, 1990)
31		Spaced Invaders (Adventure, Comedy, Sci-Fi, 1990)
31		Frankenhooker (Comedy, Horror, Sci-Fi, 1990)
31		Kamillions (Comedy, Romance, Sci-Fi, 1990)
31		Tremors (Comedy, Horror, Sci-Fi, 1990)
31		Blobermouth (Comedy, Horror, Sci-Fi, 1991)
31		Short Circuit (Comedy, Family, Sci-Fi, 1986)
31		The Stuff (Comedy, Horror, Sci-Fi, 1985)
31		Class of Nuke 'Em High (Comedy, Horror, Sci-Fi, 1986)
31		Chopping Mall (Comedy, Horror, Sci-Fi, 1986)
31		The Return of the Living Dead (Comedy, Horror, Sci-Fi, 1985)
31		Weird Science (Comedy, Romance, Sci-Fi, 1985)
31		Real Genius (Comedy, Romance, Sci-Fi, 1985)
31		Creator (Comedy, Romance, Sci-Fi, 1985)
31		Star Trek IV: The Voyage Home (Adventure, Comedy, Sci-Fi, 1986)
31		Night of the Creeps (Comedy, Horror, Sci-Fi, 1986)
31		Interface (Sci-Fi, Comedy, Horror, 1985)
31		Fright Show (Horror, Comedy, Sci-Fi, 1985)

Notes: Movies similar to It Came from Somewhere Else, Movies like It Came from Somewhere Else, Comedy, Sci-Fi, Howard Hassler, William Vanarsdale, Don Aldrich, Robert Buckley, Allen M. Johnson, SF, Science Fiction, SciFi, Sci Fi, Films, Video, Movie Similarities