For the entire day today, you can watch Hot Tub Time Machine (Unrated) on Xbox Video for free (US only). If you are looking for a decent comedy to check out, this is your movie. The movie runs for one hour and forty three minutes and will definitely have you laughing. You can grab the movie at the VIA link below, which will take you to the Xbox Video listing page. Here is the movie description:
"A group of friends are bored with their lives: Adam’s been dumped by his girlfriend; Lou is a party guy who can't find the party; Nick's wife controls his every move; and video game obsessed Jacob won't leave his basement. After a night of drinking in a ski resort hot tub, the four wake up in 1986. This is their chance to kick some past and change their futures - one will find a new love life, one will learn to stand up for himself, one will find his mojo and one will make sure he still exists!"