Everyone loves a good time travel fantasy, and the 1980s film Back to the Future is pretty much the cassic example of the genre. But Marty McFly stands to get some serious competition from John Cusack's comedic crew in Hot Tub Time Machine, a new film due out in March that also stars Rob Corddry and Chevy Chase (via io9). When I first read about this project, I honestly thought it was a joke, but if the new trailer is any indication, it has all the makings of an instant classic.
Apart from the fantasy element of time travel, it's tied to some fascinating physics; that's why such temporal anomalies are a recurring element in science fiction. Ask a physicist, however, how well science fiction stands up to real science on the topic, and you'll get your share of "face palm" moments. Sean at Cosmic Variance laid it all out in May with a post detailing his top ten rules for time travelers.
Granted, Hot Tub Time Machine isn't out yet, but judging from the trailer, they're probably going to violate Rule #3: Traveling Through Time is Like Traveling Through Space.