Despite one Uranus joke too many, sci-fi parody Blasto offers galactic-size yuks courtesy of NewsRadio’s Phil Hartman, who supplies the voice of burly space hero Captain Blasto. Beady-eyed aliens are trying to take over the solar system, and it’s up to you (as Blasto) to zap ’em back to the fifth dimension using such weaponry as the ”Nuke-o-matic Atomscatter 9000.” Take a moment to admire the graphics, which make you feel like you’re romping around in a 3-D version of an old Marvin the Martian cartoon. A-