50		Joe's Apartment (Comedy, Fantasy, Musical, Sci-Fi, 1996)
45		Abbott and Costello Go to Mars (Comedy, Sci-Fi, Fantasy, 1953)
45		Big Meat Eater (Comedy, Musical, Sci-Fi, 1982)
41		Telling Tales (Comedy, Fantasy, Romance, Sci-Fi, 2015)
40		The Return of Captain Invincible (Musical, Fantasy, Comedy, Sci-Fi, 1983)
40		Dr. Plonk (Action, Comedy, Sci-Fi, 2007)
40		The Ghastly Love of Johnny X (Comedy, Fantasy, Musical, Sci-Fi, 2012)
35		*batteries not included (Comedy, Family, Fantasy, Sci-Fi, 1987)
35		Toomorrow (Comedy, Musical, Sci-Fi, 1970)
35		Earth Girls Are Easy (Comedy, Musical, Romance, Sci-Fi, 1988)
35		Bride of Re-Animator (Comedy, Horror, Sci-Fi, 1989)
35		The Little Prince (Family, Fantasy, Musical, Sci-Fi, 1974)
35		Galaxy Quest (Adventure, Comedy, Sci-Fi, 1999)
35		Queen of Outer Space (Adventure, Fantasy, Sci-Fi, 1958)
35		Cultivision (Collapsing Stars) (Sci-Fi, Comedy, Fantasy, 2002)
35		Sleepwalkers (Comedy, Drama, Fantasy, Sci-Fi, 2015)
35		Re-Animator (Comedy, Horror, Sci-Fi, 1985)
35		The American Astronaut (Musical, Comedy, Sci-Fi, 2001)
35		Slaughterhouse-Five (Comedy, Drama, Sci-Fi, 1972)
34		It's Great to Be Alive (Comedy, Musical, Sci-Fi, 1933)
32		The Last Man on Earth (Comedy, Fantasy, Sci-Fi, 1924)
32		Rocky Horror Show Live (Comedy, Musical, Sci-Fi, 2015)
32		Star Wars: The Force Awakens (Action, Adventure, Fantasy, Sci-Fi, 2015)
32		Guardians of the Galaxy (Action, Adventure, Sci-Fi, 2014)
31		About Time (Comedy, Drama, Fantasy, Sci-Fi, 2013)
31		Abbott and Costello Meet Frankenstein (Comedy, Fantasy, Horror, Sci-Fi, 1948)
31		Le grand tout (Comedy, Drama, Sci-Fi, 2016)
30		Shock! Shock! Shock! (Adventure, Comedy, Fantasy, Sci-Fi, 1987)
30		The Wizard of Speed and Time (Biography, Comedy, Musical, Sci-Fi, 1988)
30		Killer Klowns from Outer Space (Comedy, Horror, Sci-Fi, 1988)
30		An Enraged New World (Adventure, Fantasy, Action, Sci-Fi, 2002)
30		Critters 2 (Comedy, Horror, Sci-Fi, 1988)
30		Howard the Duck (Action, Adventure, Comedy, Sci-Fi, 1986)
30		Meet Dave (Adventure, Comedy, Family, Sci-Fi, 2008)
30		TerrorVision (Comedy, Horror, Sci-Fi, 1986)
30		The Fall of the Louse of Usher: A Gothic Tale for the 21st Century (Comedy, Fantasy, Horror, Sci-Fi, 2002)
30		Just Visiting (Comedy, Fantasy, Sci-Fi, 2001)
30		Morons from Outer Space (Comedy, Sci-Fi, 1985)
30		Return of the Ghostbusters (Action, Comedy, Fantasy, Sci-Fi, 2007)
30		Goodbye, 20th Century (Adventure, Comedy, Fantasy, Sci-Fi, 1998)
30		Making Mr. Right (Comedy, Romance, Sci-Fi, 1987)
30		Population: 1 (Fantasy, Music, Musical, Sci-Fi, 1986)
30		Little Shop of Horrors (Comedy, Horror, Musical, Sci-Fi, 1986)
30		Sons of Steel (Comedy, Musical, Sci-Fi, 1988)
30		Poultrygeist: Night of the Chicken Dead (Comedy, Horror, Musical, Sci-Fi, 2006)
30		The Toxic Avenger Part III: The Last Temptation of Toxie (Action, Comedy, Fantasy, Sci-Fi, 1989)
30		Brainscan (Comedy, Horror, Sci-Fi, 1994)
30		S Club Seeing Double (Comedy, Drama, Musical, Sci-Fi, 2003)
30		Akumulátor 1 (Comedy, Fantasy, Romance, Sci-Fi, 1994)
30		The Meteor Man (Action, Comedy, Fantasy, Sci-Fi, 1993)
30		Les visiteurs (Comedy, Fantasy, Sci-Fi, 1993)
30		The High Crusade (Adventure, Comedy, Sci-Fi, 1994)
30		Jack Brown Genius (Comedy, Fantasy, Sci-Fi, 1996)
30		Frankenstein and Me (Comedy, Family, Fantasy, Sci-Fi, 1996)
30		Mystery Science Theater 3000: The Movie (Comedy, Sci-Fi, 1996)
30		Jam Films (Comedy, Drama, Fantasy, Sci-Fi, 2002)
30		Baak bin sing gwan (Action, Comedy, Fantasy, Sci-Fi, 1995)
30		Sumuru (Adventure, Sci-Fi, Fantasy, 2003)
30		Don't Ask Don't Tell (Comedy, Fantasy, Sci-Fi, 2002)
30		Super Mouse and the Roborats (Action, Comedy, Fantasy, Sci-Fi, 1989)
30		Live Freaky Die Freaky (Animation, Comedy, Musical, Sci-Fi, 2006)
30		RocketMan (Comedy, Family, Sci-Fi, 1997)
30		Khottabych (Adventure, Comedy, Fantasy, Sci-Fi, 2006)
30		Ghostbusters II (Action, Comedy, Fantasy, Sci-Fi, 1989)
30		Strangers in Paradise (Comedy, Musical, Sci-Fi, 1984)
30		Robots (Animation, Adventure, Comedy, Sci-Fi, 2005)
30		Waxwork II: Lost in Time (Comedy, Fantasy, Horror, Sci-Fi, 1992)
30		And You Thought Your Parents Were Weird (Comedy, Family, Fantasy, Sci-Fi, 1991)
30		Bill & Ted's Bogus Journey (Adventure, Comedy, Fantasy, Sci-Fi, 1991)
30		Die You Zombie Bastards! (Comedy, Fantasy, Horror, Sci-Fi, 2005)
30		The Importance of Being Russell (Comedy, Fantasy, Romance, Sci-Fi, 2006)
30		Modern Problems (Comedy, Fantasy, Sci-Fi, 1981)
30		The Absent Minded Professor (Comedy, Family, Sci-Fi, 1961)
30		Moon Pilot (Family, Comedy, Sci-Fi, 1962)
30		Visit to a Small Planet (Comedy, Sci-Fi, 1960)
30		Mystery Men (Action, Comedy, Fantasy, Sci-Fi, 1999)
30		Earthbound (Comedy, Fantasy, Romance, Sci-Fi, 2012)
30		The Road to Hong Kong (Comedy, Sci-Fi, 1962)
30		The Mouse on the Moon (Comedy, Romance, Sci-Fi, 1963)
30		The Reluctant Astronaut (Comedy, Family, Sci-Fi, 1967)
30		Munster, Go Home! (Comedy, Family, Fantasy, Sci-Fi, 1966)
30		Pajama Party (Comedy, Musical, Romance, Sci-Fi, 1964)
30		Silveraven (Action, Comedy, Fantasy, Sci-Fi, 2012)
30		Patch Town (Adventure, Comedy, Fantasy, Sci-Fi, 2014)
30		Carolina Cannonball (Comedy, Musical, Sci-Fi, 1955)
30		Citizen Toxie: The Toxic Avenger IV (Action, Comedy, Fantasy, Sci-Fi, 2000)
30		Coyote (Comedy, Fantasy, Horror, Sci-Fi, 2014)
30		The Invisible Man (Comedy, Horror, Sci-Fi, 1933)
30		Ghostbusters (Action, Comedy, Fantasy, Sci-Fi, 2016)
30		A Flying Jatt (Action, Comedy, Fantasy, Sci-Fi, 2016)
30		The Hidden Hand (Comedy, Horror, Mystery, Sci-Fi, 1942)
30		Gildersleeve's Ghost (Comedy, Fantasy, Horror, Sci-Fi, 1944)
30		Mr. Peabody & Sherman (Animation, Adventure, Comedy, Sci-Fi, 2014)
30		Nosferatu vs. Father Pipecock & Sister Funk (Adventure, Comedy, Fantasy, Sci-Fi, 2014)
30		Hamlet A.D.D. (Animation, Comedy, Fantasy, Sci-Fi, 2014)
30		While Nero Fiddled (Adventure, Comedy, Fantasy, Sci-Fi, 1944)
30		Steel of Fire Warriors 2010 A.D. (Action, Comedy, Fantasy, Sci-Fi, 2008)
30		Those Fantastic Flying Fools (Adventure, Comedy, Fantasy, Sci-Fi, 1967)
30		S1m0ne (Comedy, Drama, Fantasy, Sci-Fi, 2002)
30		Saturday the 14th (Comedy, Fantasy, Horror, Sci-Fi, 1981)
30		Time Bandits (Adventure, Comedy, Fantasy, Sci-Fi, 1981)
30		TiMER (Comedy, Drama, Fantasy, Sci-Fi, 2009)
30		Zapped! (Comedy, Fantasy, Sci-Fi, 1982)
30		Airplane II: The Sequel (Comedy, Sci-Fi, 1982)
30		Nothing Lasts Forever (Comedy, Fantasy, Sci-Fi, 1984)
30		Voyage of the Rock Aliens (Musical, Sci-Fi, Comedy, 1984)
30		The Specials (Action, Comedy, Fantasy, Sci-Fi, 2000)
30		Born in Flames (Comedy, Drama, Fantasy, Sci-Fi, 1983)
30		In-lyu-myeol-mang-bo-go-seo (Comedy, Drama, Fantasy, Sci-Fi, 2012)
30		Super Fuzz (Action, Comedy, Fantasy, Sci-Fi, 1980)
30		Hibernatus (Comedy, Fantasy, Sci-Fi, 1969)
30		Iron Sky (Action, Comedy, Sci-Fi, 2012)
30		The Bed Sitting Room (Comedy, Sci-Fi, 1969)
30		Barbarella (Adventure, Comedy, Fantasy, Sci-Fi, 1968)
30		Unlucky (Comedy, Fantasy, Sci-Fi, 2011)
30		The Love Factor (Comedy, Fantasy, Sci-Fi, 1969)
30		The Night Shift (Adventure, Comedy, Fantasy, Sci-Fi, 2011)
30		Star Trek: The Motion Picture (Adventure, Mystery, Sci-Fi, 1979)
30		Repo Men (Action, Crime, Sci-Fi, 2010)
30		Potpourri (Comedy, Fantasy, Horror, Sci-Fi, 2011)
30		Dr. Otto Dekein's Original Design (Comedy, Drama, Fantasy, Sci-Fi, 2009)
29		F. P. 1 Doesn't Answer (Fantasy, Sci-Fi, 1933)
28		It Happened in New York (Comedy, Music, Romance, Sci-Fi, 1935)
26		Summer Wars (Animation, Action, Comedy, Sci-Fi, 2009)
26		The Adventures of Mark Twain (Animation, Adventure, Family, Sci-Fi, 1985)
25		Hank, Aaron and the Alien from Outer Space (Comedy, Sci-Fi, 2009)
25		A Man Called Nereus (Action, Comedy, Sci-Fi, 2012)
25		Cloudy with a Chance of Meatballs 2 (Animation, Comedy, Family, Sci-Fi, 2013)
25		Minions (Animation, Action, Comedy, Sci-Fi, 2015)
25		Atop the Fourth Wall: The Movie (Comedy, Sci-Fi, 2015)
25		Interplanetary (Comedy, Horror, Sci-Fi, 2008)
25		20th Century Boys 1: Beginning of the End (Adventure, Fantasy, Mystery, Sci-Fi, 2008)
25		My Super Ex-Girlfriend (Comedy, Romance, Sci-Fi, 2006)
25		Kruistocht in spijkerbroek (Adventure, Family, Fantasy, Sci-Fi, 2006)
25		Meet the Robinsons (Animation, Adventure, Comedy, Sci-Fi, 2007)
25		The Chronicles of Riddick (Action, Adventure, Sci-Fi, 2004)
25		Spaced Invaders (Adventure, Comedy, Sci-Fi, 1990)
25		Fortress 2 (Action, Sci-Fi, 2000)
25		Buck Rogers (Romance, Sci-Fi, 1977)
25		Wizards (Animation, Adventure, Fantasy, Sci-Fi, 1977)
25		Zardoz (Fantasy, Sci-Fi, 1974)
25		Earthbound (Family, Sci-Fi, Comedy, 1981)
25		Hyperspace (Sci-Fi, Comedy, 1984)
25		The American Way (Comedy, Sci-Fi, 1986)
25		Critters (Action, Comedy, Horror, Sci-Fi, 1986)
25		The Revenge of the Teenage Vixens from Outer Space (Comedy, Sci-Fi, 1985)
25		Baby: Secret of the Lost Legend (Family, Adventure, Sci-Fi, 1985)
25		Journey to the Far Side of the Sun (Sci-Fi, 1969)
25		The Illustrated Man (Sci-Fi, 1969)
25		Zombies of the Stratosphere (Action, Sci-Fi, 1952)
25		The Man in the White Suit (Comedy, Drama, Sci-Fi, 1951)
25		Rocketship X-M (Sci-Fi, 1950)
25		Superman (Sci-Fi, 1948)
25		Earth vs. the Flying Saucers (Action, Sci-Fi, 1956)
25		Invasion of the Saucer Men (Comedy, Horror, Sci-Fi, 1957)
25		The Flesh Eaters (Comedy, Horror, Sci-Fi, 1964)
25		The 30 Foot Bride of Candy Rock (Comedy, Sci-Fi, 1959)
25		Have Rocket -- Will Travel (Comedy, Sci-Fi, 1959)
25		Totò nella luna (Comedy, Sci-Fi, 1958)
25		Project X (Comedy, Drama, Sci-Fi, 1987)
25		Simon (Comedy, Sci-Fi, 1980)
25		Oblivion (Adventure, Comedy, Sci-Fi, 1994)
25		Top of the Food Chain (Comedy, Horror, Sci-Fi, 1999)
25		Tribulation 99: Alien Anomalies Under America (Comedy, Sci-Fi, 1992)
25		Oblivion 2: Backlash (Adventure, Comedy, Sci-Fi, 1996)
25		Bad Taste (Comedy, Horror, Sci-Fi, 1987)
25		Men in Black (Adventure, Comedy, Family, Sci-Fi, 1997)
25		Space Jam (Animation, Adventure, Comedy, Sci-Fi, 1996)
25		My Favorite Martian (Comedy, Family, Sci-Fi, 1999)
25		Mom and Dad Save the World (Adventure, Comedy, Family, Sci-Fi, 1992)
25		Terminal City Ricochet (Comedy, Sci-Fi, 1990)
25		Second Sight (Comedy, Mystery, Sci-Fi, 1989)
25		Mutant on the Bounty (Comedy, Sci-Fi, 1989)
25		Honey, I Shrunk the Kids (Adventure, Comedy, Family, Sci-Fi, 1989)
25		Slipstream (Adventure, Sci-Fi, 1989)
25		Dead Heat (Action, Comedy, Horror, Sci-Fi, 1988)
24		Bride of Frankenstein (Comedy, Drama, Horror, Sci-Fi, 1935)
24		Doctor X (Comedy, Crime, Horror, Sci-Fi, 1932)
24		Chandu the Magician (Action, Adventure, Fantasy, Sci-Fi, 1932)
23		The Matrix (Action, Sci-Fi, 1999)
23		The Phantom Empire (Musical, Sci-Fi, Western, 1935)
23		The Monster (Comedy, Horror, Mystery, Sci-Fi, 1925)
23		Star Wars: Episode V - The Empire Strikes Back (Action, Adventure, Fantasy, Sci-Fi, 1980)
23		She (Adventure, Fantasy, Romance, Sci-Fi, 1935)
23		Star Wars: Episode IV - A New Hope (Action, Adventure, Fantasy, Sci-Fi, 1977)
22		PK (Comedy, Drama, Romance, Sci-Fi, 2014)
22		The Truman Show (Comedy, Drama, Sci-Fi, 1998)
22		Flash Gordon (Sci-Fi, 1936)
22		Deadpool (Action, Adventure, Comedy, Sci-Fi, 2016)
22		It's Such a Beautiful Day (Animation, Comedy, Drama, Sci-Fi, 2012)
22		Red vs. Blue Season 9 (Animation, Action, Comedy, Sci-Fi, 2011)
22		Star Wars: Episode VI - Return of the Jedi (Action, Adventure, Fantasy, Sci-Fi, 1983)
22		Back to the Future (Adventure, Comedy, Sci-Fi, 1985)
21		G.O.R.A. (Adventure, Comedy, Sci-Fi, 2004)
21		The Garden's Keeper (Action, Comedy, Sci-Fi, 2015)
21		Abby Sen (Comedy, Drama, Sci-Fi, 2015)
21		Zombieland (Adventure, Comedy, Horror, Sci-Fi, 2009)
21		Star Wars: Episode III - Revenge of the Sith (Action, Adventure, Fantasy, Sci-Fi, 2005)
21		Avatar (Action, Adventure, Fantasy, Sci-Fi, 2009)
21		Back to the Future Part II (Adventure, Comedy, Sci-Fi, 1989)
21		Flash Gordon's Trip to Mars (Action, Adventure, Sci-Fi, 1938)
21		Mothman (Comedy, Drama, Horror, Sci-Fi, 2000)
21		Planet of the Apes (Adventure, Romance, Sci-Fi, 1968)
21		Memorîzu (Animation, Fantasy, Sci-Fi, 1995)
21		Wreck-It Ralph (Animation, Adventure, Comedy, Sci-Fi, 2012)
21		Adventures of Captain Marvel (Action, Adventure, Fantasy, Sci-Fi, 1941)
21		Interstella 5555: The 5tory of the 5ecret 5tar 5ystem (Animation, Action, Adventure, Sci-Fi, 2003)
21		Flytrap (Comedy, Drama, Sci-Fi, 2015)
21		Mars Attacks the World (Romance, Sci-Fi, 1938)
21		The Ungovernable Force (Action, Adventure, Comedy, Sci-Fi, 2015)
21		The Hunger Games: Catching Fire (Action, Adventure, Mystery, Sci-Fi, 2013)

Notes: Movies similar to Just Imagine, Movies like Just Imagine, Comedy, Fantasy, Musical, Sci-Fi, David Butler, El Brendel, Maureen O'Sullivan, John Garrick, Marjorie White, SF, Science Fiction, SciFi, Sci Fi, Films, Video, Movie Similarities