A plane crash leaves a dance troupe stranded on a deserted island where a mutant spider bite turns the troupe's leader into a monster. This movie was featured on Mystery Science Theater 3000 ep. 1011. You can find out more about this movie on its IMDB page.
An ex-major breaks a safe-cracker out of jail to use as a guinea pig for an invisibility ray with hopes of eventually building an invisible army. Things go awry though when the safe-cracker develops his own plans. This movie was featured on Mystery Science Theater 3000 ep. 623. You can find out more about this movie on its IMDB page.
This is The Brain That Wouldn't Die, but this is a better transfer than what I have seen on the Archive with all 82 min, plus this is widescreen, unlike most of the other copies on the Archive. IMDB for this movie: http://www.imdb.com/title/tt0052646/ (p.s. I'm not calling this the uncut version because the uncut version, according to wikipedia (http://en.wikipedia.org/wiki/The_Brain_That_Wouldn%27t_Die#DVD_releases), is 85 min.
A caveman is discovered out in the desert who proceeds to fall in love with a girl and then wreak havoc on a nearby town. You can find out more about this film on its IMDB page.
A young alien (David Love) falls for a pretty teenage Earth girl (Dawn Anderson) and they team up to try to stop the plans of his invading cohorts. NOTE: This is the MPEG2 (and derivative versions). An AVI version is available here.
A spaceship is drawn towards a planet populated by tiny people where the atmosphere shrinks the astronauts as well. This film was featured on the television program Mystery Science Theater 3000. You can find an MP4 of this film here. You can find out more about this film on its IMDB page.