"Four years ago, these best friends discovered a hot-tub time machine." So says the narrator at the start of the "Hot Tub Time Machine 2" red-band trailer, which Paramount debuted at Comic-Con on Thursday. No John Cusack this time around -- Adam Scott, briefly glimpsed here, seems to have taken his slot -- but that just means more laughs for Rob Corddry, Craig Robinson and Clark Duke. This NSFW trailer is a riot. People who like funny things should watch it below. "Hot Tub Time Machine 2" comes out on Christmas Day.
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