TV Guide Film4 Saturday

The son of an overthrown king must embark on an epic sea voyage in search of the fabled Golden Fleece so he can return and reclaim his kingdom. Before he can seize the treasure, he has to overcome a series of horrific creatures, including a seven-headed monster and a horde of sword-wielding skeletons. Mythological fantasy adventure, starring Todd Armstrong, Honor Blackman, Nancy Kovack, Niall MacGinnis and Patrick Troughton, with special effects by Ray Harryhausen

A streetwise cop is enlisted by a top-secret government force dedicated to policing alien visitors to Earth, teaming up with a veteran agent just as a body-swapping extraterrestrial giant insect begins a reign of terror throughout New York City. Sci-fi comedy, starring Will Smith, Tommy Lee Jones, Linda Fiorentino, Rip Torn and Vincent D'Onofrio

Agent J investigates the unauthorised landing of a spacecraft and discovers a malevolent alien disguised as a lingerie model is on the verge of destroying humanity. His only hope of stopping her diabolical plot is to restore the memory of his retired partner K - but his former mentor takes more than a little convincing. Sci-fi comedy sequel, directed by Barry Sonnenfeld, starring Will Smith, Tommy Lee Jones, Rosario Dawson, Lara Flynn Boyle, Johnny Knoxville, Rip Torn and Tony Shalhoub

An alien criminal escapes from a prison on the moon and goes back in time on a mission of revenge, changing the course of history. Agent J of the top-secret Earth defence organisation follows him back to 1969, and joins forces with a younger version of his mentor Agent K to set things right. Sci-fi comedy sequel, starring Will Smith, Josh Brolin and Tommy Lee Jones