The Tonight Show Starring Jimmy Fallon

America Ferrera, David Dobrik, Corey Seager, Brothers Osborne

Jimmy shares "Monster Hangover," a "Monster Mash" parody, reads his favorite tweets with the hashtag #NewHalloweenTraditions, then chats with America Ferrera, David Dobrik and Corey Seager before welcoming musical guest Brothers Osborne.