Planet 51 ni filamu ya katuni ya Kimarekani ya mwaka wa 2009 iliyotayarishwa na Ilion Animation Studios na kutolewa na Sony Pictures Releasing tarehe 14 Novemba 2009. Dwayne "The Rock" Johnson kama Charles T. "Chuck" Baker Justin Long kama Lem Kerplog Jessica Biel kama Neera Seann William Scott kama Skiff Freddie Benedict kama Eckle Gary Oldman kama General Grawl John Cleese kama Professor Kipple Mathew Horne kama Soldier Vesklin James Corden kama Soldier Vernkot Rupert Degas kama Chief Gorlock Alan Marriott kama Glar Planet 51 at the Internet Movie Database Planet 51 katika Metacritic Planet 51 katika Sanduku la Ofisi la Mojo Planet 51 katika Rotten Tomatoes Planet 51 at the Big Cartoon DataBase