Two Door Cinema Club hosts this week's Subterranean.
Two Door Cinema Club performs "Undercover Martyn" live at MTV.
Jay shares spooky products to frighten trick or treaters.
Watch video highlights from Wednesday's monologue.
Abigail Breslin on writing her blog and giving good advice on her first ever Tonight Show appearance.
Abigail Breslin on her terrifying encounter with clowns at Knott's Scary Farm.
Jay checks in with Jack O'Lantern for Halloween.
Kim Kardashian on being totally surprised by Kanye West's proposal.
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