54		Uchuujin from Outer Space (Comedy, Sci-Fi, 2007)
50		Sleeper (Comedy, Sci-Fi, 1973)
48		The Last Dudes on Earth (Comedy, Sci-Fi, 2005)
48		Atop the Fourth Wall: The Movie (Comedy, Sci-Fi, 2015)
48		Alien Autopsy (Comedy, Sci-Fi, 2006)
45		Transolar Galactica (Comedy, Sci-Fi, 2011)
45		Mystery Science Theater 3000: The Movie (Comedy, Sci-Fi, 1996)
45		Robodoc (Comedy, Sci-Fi, 2009)
45		Final Flesh (Comedy, Sci-Fi, 2009)
45		Night of the Alien (Comedy, Sci-Fi, 2011)
45		The Killer Robots and the Battle for the Cosmic Potato (Comedy, Sci-Fi, 2009)
45		Hot Tub Time Machine (Comedy, Sci-Fi, 2010)
45		Dr. Goldfoot and the Bikini Machine (Comedy, Sci-Fi, 1965)
45		Heartbeeps (Sci-Fi, Comedy, 1981)
45		Hank, Aaron and the Alien from Outer Space (Comedy, Sci-Fi, 2009)
45		The Mating Habits of the Earthbound Human (Comedy, Sci-Fi, 1999)
45		Frequently Asked Questions About Time Travel (Comedy, Sci-Fi, 2009)
45		The Perfect Woman (Comedy, Sci-Fi, 1949)
44		Horror in the Wind (Comedy, Sci-Fi, 2008)
44		Serena the Sexplorer (Comedy, Sci-Fi, 2013)
44		Target Audience 9.1 (Comedy, Sci-Fi, 2007)
44		Space Milkshake (Comedy, Sci-Fi, 2012)
44		Folklore (Comedy, Sci-Fi, 2012)
44		Mock Up on Mu (Comedy, Sci-Fi, 2008)
44		Rock Jocks (Comedy, Sci-Fi, 2012)
44		The Search for Simon (Comedy, Sci-Fi, 2013)
43		Hot Tub Time Machine 2 (Comedy, Sci-Fi, 2015)
43		End of Days, Inc. (Comedy, Sci-Fi, 2015)
43		I'll Believe You (Comedy, Sci-Fi, 2006)
43		Probable Robot (Comedy, Sci-Fi, 2015)
43		Absolutely Anything (Comedy, Sci-Fi, 2015)
43		Revenge of the Bimbot Zombie Killers (Comedy, Sci-Fi, 2014)
43		Cyxork 7 (Comedy, Sci-Fi, 2006)
42		Evil Alien Conquerors (Comedy, Sci-Fi, 2003)
42		Phil the Alien (Comedy, Sci-Fi, 2004)
42		Alien Sex Party (Comedy, Sci-Fi, 2003)
42		From Other Worlds (Comedy, Sci-Fi, 2004)
42		Gargaroth (Comedy, Sci-Fi, 2004)
41		Godzilla 2001 (Comedy, Sci-Fi, 2001)
41		Evolution (Comedy, Sci-Fi, 2001)
41		Repli-Kate (Comedy, Sci-Fi, 2002)
41		The Animal (Comedy, Sci-Fi, 2001)
40		Coneheads (Comedy, Sci-Fi, 1993)
40		What Planet Are You From? (Comedy, Sci-Fi, 2000)
40		Spaced Out (Comedy, Sci-Fi, 1979)
40		Britannia Hospital (Comedy, Sci-Fi, 1982)
40		Virtue (Comedy, Sci-Fi, 1999)
40		Very Close Encounters of the Fourth Kind (Comedy, Sci-Fi, 1978)
40		I epithesi tou gigantiaiou mousaka (Comedy, Sci-Fi, 1999)
40		2076 Olympiad (Comedy, Sci-Fi, 1977)
40		Invasion: Stanford 1991 A.D. (Comedy, Sci-Fi, 1990)
40		Caveman (Comedy, Sci-Fi, 1981)
40		The Incredible Shrinking Woman (Comedy, Sci-Fi, 1981)
40		Simon (Comedy, Sci-Fi, 1980)
40		The Brother from Another Planet (Comedy, Sci-Fi, 1984)
40		It Came from Somewhere Else (Comedy, Sci-Fi, 1988)
40		The American Way (Comedy, Sci-Fi, 1986)
40		The Revenge of the Teenage Vixens from Outer Space (Comedy, Sci-Fi, 1985)
40		UFOria (Comedy, Sci-Fi, 1985)
40		Mutant on the Bounty (Comedy, Sci-Fi, 1989)
40		Norman's Awesome Experience (Comedy, Sci-Fi, 1988)
40		As Time Goes by (Comedy, Sci-Fi, 1988)
40		Amazon Women on the Moon (Comedy, Sci-Fi, 1987)
40		The Invisible Kid (Comedy, Sci-Fi, 1988)
40		Eat and Run (Comedy, Sci-Fi, 1987)
40		The Trouble with Dick (Comedy, Sci-Fi, 1986)
40		Wooly Booly: Ang classmate kong alien (Comedy, Sci-Fi, 1989)
40		Morons from Outer Space (Comedy, Sci-Fi, 1985)
40		Illegal Alien (Comedy, Sci-Fi, 1982)
40		I Was a Zombie for the F.B.I. (Comedy, Sci-Fi, 1982)
40		Airplane II: The Sequel (Comedy, Sci-Fi, 1982)
40		The Spirit of '76 (Comedy, Sci-Fi, 1990)
40		Xing ji dun tai (Sci-Fi, Comedy, 1983)
40		Superstarlet A.D. (Comedy, Sci-Fi, 2000)
40		Hyperspace (Sci-Fi, Comedy, 1984)
40		The Sexplorer (Comedy, Sci-Fi, 1975)
40		Terminal City Ricochet (Comedy, Sci-Fi, 1990)
40		What's Up, Hideous Sun Demon (Comedy, Sci-Fi, 1983)
40		Meet the Applegates (Comedy, Sci-Fi, 1990)
40		Dark Star (Comedy, Sci-Fi, 1974)
40		Plan 10 from Outer Space (Comedy, Sci-Fi, 1995)
40		The Day the Fish Came Out (Comedy, Sci-Fi, 1967)
40		The Twonky (Comedy, Sci-Fi, 1953)
40		Have Rocket -- Will Travel (Comedy, Sci-Fi, 1959)
40		The Roly Poly Man (Comedy, Sci-Fi, 1994)
40		The Bed Sitting Room (Comedy, Sci-Fi, 1969)
40		Hello Down There (Comedy, Sci-Fi, 1969)
40		2069 A.D. (Comedy, Sci-Fi, 1969)
40		Hell's Belles (Comedy, Sci-Fi, 1995)
40		The Road to Hong Kong (Comedy, Sci-Fi, 1962)
40		The Atomic Kid (Comedy, Sci-Fi, 1954)
40		Child's Play (Comedy, Sci-Fi, 1954)
40		50,000 B.C. (Before Clothing) (Comedy, Sci-Fi, 1963)
40		Kiss Me Quick! (Comedy, Sci-Fi, 1964)
40		The Three Stooges in Orbit (Comedy, Sci-Fi, 1962)
40		The Noble Experiment (Comedy, Sci-Fi, 1955)
40		Way... Way Out (Comedy, Sci-Fi, 1966)
40		The Monitors (Comedy, Sci-Fi, 1969)
40		U.F.O. (Comedy, Sci-Fi, 1993)
40		Time Flies (Comedy, Sci-Fi, 1944)
40		Walkin' on Sunshine: The Movie (Comedy, Sci-Fi, 1997)
40		The Thing with Two Heads (Comedy, Sci-Fi, 1972)
40		Space Case (Comedy, Sci-Fi, 1992)
40		Freaked (Comedy, Sci-Fi, 1993)
40		The 30 Foot Bride of Candy Rock (Comedy, Sci-Fi, 1959)
40		Flesh Gordon (Comedy, Sci-Fi, 1974)
40		Her Husband's Affairs (Comedy, Sci-Fi, 1947)
40		Visit to a Small Planet (Comedy, Sci-Fi, 1960)
40		Crimes of the Future (Comedy, Sci-Fi, 1970)
40		Mister Drake's Duck (Sci-Fi, Comedy, 1951)
40		Henry's Night In (Comedy, Sci-Fi, 1969)
40		Orgazmo (Comedy, Sci-Fi, 1997)
40		Totò nella luna (Comedy, Sci-Fi, 1958)
40		Dr. Dildo's Secret (Comedy, Sci-Fi, 1970)
40		Tribulation 99: Alien Anomalies Under America (Comedy, Sci-Fi, 1992)
40		Niagaravation (Comedy, Sci-Fi, 1995)
37		I Heart Doomsday (Comedy, Romance, Sci-Fi, 2010)
37		The Diamonds of Metro Valley (Action, Comedy, Sci-Fi, 2010)
36		The Children of Terra Firma (Comedy, Mystery, Sci-Fi, 2012)
35		The Hitchhiker's Guide to the Galaxy (Adventure, Comedy, Sci-Fi, 2005)
35		Angry Video Game Nerd: The Movie (Adventure, Comedy, Sci-Fi, 2014)
32		It's Great to Be Alive (Comedy, Musical, Sci-Fi, 1933)
32		Unlucky (Comedy, Fantasy, Sci-Fi, 2011)
32		Space Truckers (Adventure, Comedy, Sci-Fi, 1996)
32		Rocky Horror Show Live (Comedy, Musical, Sci-Fi, 2015)
32		Chopping Mall (Comedy, Horror, Sci-Fi, 1986)
32		Short Circuit (Comedy, Family, Sci-Fi, 1986)
32		The Bowery Boys Meet the Monsters (Horror, Comedy, Sci-Fi, 1954)
32		Detention (Comedy, Horror, Sci-Fi, 2011)
32		C.H.O.M.P.S. (Comedy, Family, Sci-Fi, 1979)
32		Zombie Epidemic (Comedy, Horror, Sci-Fi, 2009)
32		Wapakman (Action, Comedy, Sci-Fi, 2009)
32		Bicentennial Man (Comedy, Drama, Sci-Fi, 1999)
32		The Dead Can't Dance (Comedy, Horror, Sci-Fi, 2010)
32		Parody Movie (Adventure, Comedy, Sci-Fi, 2009)
32		Alien Trespass (Comedy, Horror, Sci-Fi, 2009)
32		Doctor S Battles the Sex Crazed Reefer Zombies: The Movie (Comedy, Horror, Sci-Fi, 2009)
32		Gentlemen Broncos (Adventure, Comedy, Sci-Fi, 2009)
32		Land of the Lost (Adventure, Comedy, Sci-Fi, 2009)
32		Last of the Living (Comedy, Horror, Sci-Fi, 2009)
32		ZMD: Zombies of Mass Destruction (Comedy, Horror, Sci-Fi, 2009)
32		Circuit (Comedy, Drama, Sci-Fi, 2009)
32		Wolfe with an E (Comedy, Music, Sci-Fi, 2011)
32		Jackboots on Whitehall (Animation, Comedy, Sci-Fi, 2010)
32		Nothing Lasts Forever (Comedy, Fantasy, Sci-Fi, 1984)
32		Doghouse (Comedy, Horror, Sci-Fi, 2009)
32		Alien Zombie Invasion (Comedy, Horror, Sci-Fi, 2011)
32		Humans vs Zombies (Comedy, Horror, Sci-Fi, 2011)
32		Sweet Prudence and the Erotic Adventure of Bigfoot (Comedy, Horror, Sci-Fi, 2011)
32		Attack the Block (Action, Comedy, Sci-Fi, 2011)
32		Overtime (Comedy, Horror, Sci-Fi, 2011)
32		Alien Opponent (Action, Comedy, Sci-Fi, 2010)
32		Zombie Abomination: The Italian Zombie Movie - Part 1 (Comedy, Horror, Sci-Fi, 2010)
32		Paul (Adventure, Comedy, Sci-Fi, 2011)
32		The Misadventures of Merlin Jones (Family, Comedy, Sci-Fi, 1964)
32		Codependent Lesbian Space Alien Seeks Same (Comedy, Romance, Sci-Fi, 2011)
31		Abby Sen (Comedy, Drama, Sci-Fi, 2015)
31		The Garden's Keeper (Action, Comedy, Sci-Fi, 2015)
31		Superhero Movie (Action, Comedy, Sci-Fi, 2008)
31		Dublin 26.06.08: A Movie in 4 Days (Comedy, Drama, Sci-Fi, 2008)
31		Visioneers (Comedy, Drama, Sci-Fi, 2008)
31		S4 (Comedy, Horror, Sci-Fi, 2008)
31		Interplanetary (Comedy, Horror, Sci-Fi, 2008)
31		One-Eyed Monster (Comedy, Horror, Sci-Fi, 2008)
31		Spidertron (Action, Comedy, Sci-Fi, 2008)
31		Zombie Strippers (Comedy, Horror, Sci-Fi, 2008)
31		The World's End (Action, Comedy, Sci-Fi, 2013)
31		Plato's Reality Machine (Comedy, Drama, Sci-Fi, 2013)
31		Freezer Burn (Comedy, Drama, Sci-Fi, 2007)
31		Dr. Plonk (Action, Comedy, Sci-Fi, 2007)
31		Zeppo: Sinners from Beyond the Moon! (Comedy, Horror, Sci-Fi, 2007)
31		Geminis (Comedy, Drama, Sci-Fi, 2013)
31		Flytrap (Comedy, Drama, Sci-Fi, 2015)
31		The Watch (Action, Comedy, Sci-Fi, 2012)
31		A Man Called Nereus (Action, Comedy, Sci-Fi, 2012)
31		Copposites (Comedy, Family, Sci-Fi, 2012)
31		Big Ass Spider! (Action, Comedy, Sci-Fi, 2013)
31		Return to Nuke 'Em High Volume 1 (Comedy, Horror, Sci-Fi, 2013)
31		Zombies from Outer Space (Comedy, Horror, Sci-Fi, 2012)
31		Ghosts with Shit Jobs (Comedy, Drama, Sci-Fi, 2012)
31		John Dies at the End (Comedy, Horror, Sci-Fi, 2012)
31		Grabbers (Comedy, Horror, Sci-Fi, 2012)
31		A Little Bit Zombie (Comedy, Horror, Sci-Fi, 2012)
31		Iron Sky (Action, Comedy, Sci-Fi, 2012)
30		Swarm of the Snakehead (Comedy, Horror, Sci-Fi, 2006)
30		2B (Sci-Fi, 2009)
30		Astro Boy (Animation, Action, Comedy, Sci-Fi, 2009)
30		Revenge of the Spacemen (Comedy, Horror, Sci-Fi, 2014)
30		American Ultra (Action, Comedy, Sci-Fi, 2015)
30		Space Station 76 (Comedy, Drama, Sci-Fi, 2014)
30		Evil Aliens (Comedy, Horror, Sci-Fi, 2005)
30		Rod the Stormtrooper: Episode V - The Hidden Darkness (Action, Comedy, Sci-Fi, 2015)
30		Na yeh ling san, ngo joa seung liu Wong Gok hoi wong dai bou dik hung Van (Comedy, Mystery, Sci-Fi, 2014)
30		Diamond Zero (Sci-Fi, Action, Comedy, 2005)
30		The Naked Monster (Comedy, Horror, Sci-Fi, 2005)
30		G.O.R.A. (Adventure, Comedy, Sci-Fi, 2004)
30		Anxietyville (Comedy, Drama, Sci-Fi, 2015)
30		The Girl from Monday (Action, Comedy, Sci-Fi, 2005)
30		April (Comedy, Drama, Sci-Fi, 2014)
30		Man with the Screaming Brain (Adventure, Comedy, Sci-Fi, 2005)
30		Disaster! (Animation, Comedy, Sci-Fi, 2005)
30		Special (Comedy, Drama, Sci-Fi, 2006)
30		Dohrnii (Comedy, Sci-Fi, Thriller, 2015)
30		Jesus H. Zombie (Comedy, Horror, Sci-Fi, 2006)
30		House of Time (Comedy, Mystery, Sci-Fi, 2015)
30		Idiocracy (Adventure, Comedy, Sci-Fi, 2006)
30		Way Down in Chinatown (Comedy, Horror, Sci-Fi, 2014)
30		My Super Ex-Girlfriend (Comedy, Romance, Sci-Fi, 2006)
30		Other Halves (Comedy, Horror, Sci-Fi, 2015)
30		Meltdown (Comedy, Horror, Sci-Fi, 2014)
30		Cooties (Comedy, Horror, Sci-Fi, 2014)
30		The Monster of Phantom Lake (Comedy, Horror, Sci-Fi, 2006)
30		Slither (Comedy, Horror, Sci-Fi, 2006)
30		Black Sheep (Comedy, Horror, Sci-Fi, 2006)
30		Le grand tout (Comedy, Drama, Sci-Fi, 2016)

Notes: Movies similar to When London Sleeps It Came Alive, Movies like When London Sleeps It Came Alive, Comedy, Sci-Fi, Johnnie Oddball, Nick Acott, Tony Arnold, Alex Barclay, Dan Butler, SF, Science Fiction, SciFi, Sci Fi, Films, Video, Movie Similarities