American Dad! — Episode 14: An Apocalypse to Remember

You are watching the episode An Apocalypse to Remember Stan arrives late to a CIA nuclear drill and thinks it's real. He decides to move the family into the mountains to survive the apocalypse. Even though he realizes his error, he begins to enjoy the attention that he gets from the family so much that he doesn't tell them the truth. However, when the family meets a mountain man and learns the truth, Stan has some explaining to do.