The red band trailer for the comedy, Hot Tub Time Machine, has debuted down at Comic-Con 2009. Take a look!

After a night of drinking Red Bull and vodkas, a group of guys travel back in time to when they were younger cads.

RELATED: San Diego Comic-Con Announces Special Edition In-Person Return for Thanksgiving Weekend

Hot Tub Time Machine stars John Cusack, Rob Corddry, Craig Robinson, Clark Duke, Lizzy Caplan, Crispin Glover, Sebastian Stan, Charlie McDermott and Chevy Chase.