Battle Beyond the Stars
The Adventures of Buckaroo Banzai
Hybrid
Starcrash (ooooooo David Hasslehoff, feel the quality!)
Battlefield Earth (groooooan!)
And the single worst piece of sci-fi trash (albeit from TV) the Star Wars Holiday Special. The pain...
That all being said, that Anderson guy is a hack. The only way he's still making movies is he's got pictures of people...