A Lot Going On Upstairs - S14.E15

When Stewie refuses to sleep in his own bed because of nightmares, Peter can’t stand it, so he goes to sleep in the attic. Peter turns the attic into a man cave and all of the guys begin hanging out there, which makes Lois incredibly angry. Meanwhile, Brian helps Stewie overcome his fears by building a device to go into his nightmares and defeat his demons.