Then, in the bound-to-be-self-referencing "World's End, " Simon Pegg, Nick Frost and friends try to do a pub crawl on their last night alive.

CNN: The biggest, buzziest movies of 2013

Graeme (Simon Pegg) and Clive (Nick Frost), who write and illustrate science-fiction books, attend Comic-Con, in San Diego, and then, on a tour of alien-flavored sites of interest, bump into an actual alien.

NEWYORKER: Paul

Simon Pegg (who co-wrote the script) stars as Nicholas Angel, an ambitious policeman consigned, for his own good, to a blameless country town, where he pairs up with an overweight local officer, Danny Butterman (Nick Frost), to chase shoplifters and swans.

NEWYORKER: Hot Fuzz