merican Dad!'s eighth season debuted on the Fox network on September 25, 2011, and concluded on May 13, 2012. On February 23, 2011, it was announced that the series had been renewed for an eighth production cycle. During the season, Roger travels to the Middle East to support the troops and meets Ricky Martin, Francine gets jealous with Stan's old flame and starts a catchphrase legacy, The Smith family adopts a new puppy and buys a new hot tub, Stan is cursed to living life as an old man, and attempts to fulfill his dream of being a best man by making Principal Lewis marry the school's superintendent, Hayley and Jeff adopting a demon baby, and makes a bet with Stan that he and Francine can live on minimum wage for a month. Guest stars of the season include Cee Lo Green, Gabourey Sidibe, Kristen Schaal, Sarah Natochenny, Anjelica Huston, Elisabeth Shue, Andrea Martin, Scott Foley, Sharon Lawrence, Sarah Michelle Gellar, David Boreanaz, Michael Peña and Emily Deschanel. Also, the hurricane-themed crossover episode titled, Hurricane! with The Cleveland Show and Family Guy that would have aired the previous season but was postponed due to tornadoes in the South, aired October 2.

Overview from themoviedb.org