When does American Dad! return?

American Dad! is an American animated sitcom created by Seth MacFarlane, Mike Barker and Matt Weitzman for the Fox Broadcasting Company. The series premiered on February 6, 2005, following Super Bowl XXXIX, with the rest of the first season airing from May 1, 2005. The show moved to TBS for its twelfth season in 2014 and continues to air new episodes to this day. It has been nominated for numerous awards, including four Primetime Emmy Awards.
The series focuses on the eccentric upper middle class Smith family in a fictionalized version of Langley, Virginia. The family's unusual goldfish, Klaus, who has the brain of an East German athlete; Roger, the alien, is a flamboyant, hedonistic, self-serving master of disguise; and Roger's ex-tumor son Rogu.