I first saw this in the early 90s on a vhs n had a solid wtf reaction regarding the notorious rape scene of the buxom babe. Revisited it recently. The plot is basically a rip off of Alien but the film has some well known horror veterans, Sid Haig n Robert Englund. It also has erotic film director Zalman King. Inspite of the film being a Roger Corman production, it has some well done effects due to the involvement of a very early James Cameron. Cameron must be laughing at the thrusting movement of the giant worm.

A spacecraft travels to a distant planet to rescue the crew of another space ship that has crashed. The craft has damages in the landing and needs to be repaired. Baelon (Zalman King) commands the rescue team formed by his rival Cabren (Edward Albert), Alluma (Erin Moran), Dameia (Taaffe O'Connell), Quuhod (Sid Haig) and the rookie Cos (Jack Blessing). While looking for survivors from the former expedition, Cos is murdered and they do not find any survivor. However they cannot depart from the planet due to an electromagnetic field. Commander Ilvar (Bernard Behrens) joins the team to search for the cause of the interference in the spacecraft. Captain Trantor (Grace Zabriskie) stays in the craft with the technician Ranger (Robert Englund) and the cook Kore (Ray Walston) but soon one by one of the rescue team members is killed in weird situations, created by the materialization of their own fears.

"Galaxy of Terror" is a great sci-fi B movie with a story with good premise, although having many clichés of the genre. The menaces of the planet are nothing but the fruit of the imagination of each person, projecting their inner fear. Further, this movie has probably one of the most erotic scenes I have ever seen. Dameia, the character played by the sexy Taaffe O'Connell, has a great fear of maggots, being a kind of "worm-phobic" person. When she meets the huge maggot, she starts screaming for help, while the creature with many legs rips her clothes off and rapes her. Her naked body is covered and lubricated by slime, and her initial panic becomes into a very intense multiple orgasms. Other good attractions are the names of James Cameron (as unit director in the bottom of the credits), the later soft porn director Zalman King ('Wild Orchid') and Robert "Freddy Krueger" Englund in the cast. My vote is six.

Title (Brazil): "Galáxia do Terror" ("Galaxy of Terror")

Note: On 18 October 2014, I saw this movie again. Note: On 18 March 2018 , I saw this film again on DVD.