This Ain't Star Trek XXX 2: The Butterfly Effect

This Ain't Star Trek XXX 2: The Butterfly Effect (2010) is a science fiction, comedy directed by Axel Braun rated 5.7/10.

Kirk, Spock & Bones beam down to Butterfly 8 where they are ambushed by female aliens. When Scotty beams Sulu and Chekov down to rescue them, a transporter malfunction sends them to the Oval office the day before Kennedy was shot.