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.

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