The wild and wacky “Stop! That! Train!” is a broad, goofy parody of ‘70s disaster movies that puts a lot of faith in the comedy stylings of several alums of “RuPaul’s Drag Race,” including RuPaul Charles themself. The action takes place aboard the Glamazonian Express, a high-priced high-speed train where every rail attendant worth their tray tables wants to work. Tess (played by Ginger Minj) and Deedee (played by Jujubee) work, instead, at a low-rent rival company, Stank Rail.