The gag kicked off in the cold open with the Griffins and the Smiths of "American Dad" meeting, but it all turned out to be Peter Griffin's dream. When he awoke in a panic, Peter saw none other than Hank Hill (reprised by "King of the Hill" creator Mike Judge), who then woke up from a dream and referenced "Family Guy." Then, the "Family Guy" opening credits rolled, in the style of "King of the Hill's" intro.
“We’ve been talking awhile about trying to do an 'American Dad' crossover,” "Family Guy" executive producer Steve Callaghan told EW. “Some of the characters had popped up briefly in 'Family Guy' episodes, but we wanted to do something a little more substantial. We decided to combine that with the idea that since Cleveland left, we’ve had a couple of celebrities move in briefly in his house, but we hadn’t really ever addressed who’s living in that house. So we thought those things could neatly overlap. Of course, we didn’t want to change the universe for good, so we decided to make it a dream sequence. And once the idea of Peter waking up from a dream came up, someone pitched adding in the 'King of the Hill' element. It’s a fun, silly way to start the episode.”
See some photos and clip below.
"Family Guy" airs on Sundays at 9 p.m. ET on Fox.