Get ready to be confused… try to keep up. Halloween got messy on Kimmel this week while he was off.
Dave Grohl from Foo Fighters guest hosted, but he dressed up like David Letterman. Then he had Kristen Bell on as a guest, but she was dressed up as Tom Selleck. Then they decided to jam together and turned Frozen’s “The Snowman Song” into “Sandman” by Metallica.
Watch for yourself: