by Mike Krumboltz It's not every day that a movie with an endearingly goofy title like " Hot Tub Time Machine " hits theaters. Web searches on the raunchy comedy have been rockin' out for weeks, strong evidence that moviegoers are likely to take a dip in the '80s-inspired flick this weekend. And though the cast is impressive, with stars like John Cusack , Craig Robinson , and Rob Corddry all "kicking some past" when they travel back to the 1980s,