American Dad! S13 E16 Daesong Heavy Industries II: Return to Innocence

"From the creator of "Family Guy" comes a man who will stop at nothing to protect his country."

Everyone is separated after the ship explodes: Stan and Francine lose their memories and resort to primitive living on an island; Hayley and Jeff are rescued by the Navy and Jeff decides to enlist; and Roger and Steve try to survive on a lifeboat in the middle of the ocean.