American Dad! S04 E13 Red October Sky

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

Stan hunts for an ex-KGB agent but can't find him--until he moves in next door. And Steve is building a rocket for a school science project, but can't get it to work--until he gets some help from his new next-door neighbor. Meanwhile, Roger and Klaus head off on a European vacation.