"The war is between the living and the dead," characters says in new teaser, "and make no mistake, the dead are coming."
Comedian and 'Walking Dead' actor Steven Yeun get makeovers for J.Y. Park's "Fire" clip, filmed during O'Brien's South Korea episode
Pop star turns latest pop anthem into a devastating, piano-driven ballad
Rising pop star debuts "Castle" off the 'Huntsman: Winter's War' soundtrack
Country badass performs "Hurtin' (On the Bottle)" and "Since You Put Me Down"
'Late Show' host suggests possible GOP nominees in event of contested convention, including "bald eagle wearing a pair of pleated Khakis"
From William Hung to Kelly Clarkson, the music competition show has impacted pop culture in many ways
Former judge and producer Nigel Lythgoe reflect on music competition show's impact
Ilana Glazer, Paul Downs journey through the past and future in outrageous 4/20 special
Rapper calls unlimited political slush funds the "trap queens" of presidential candidates
"I was fired for being gay, and I know what it feels like," talk show host says during powerful, funny monologue
'Late Show' host mocks Republican frontrunner for promising to eliminate nonexistent "Department of Environmental"
WWE's most divisive star teaches O'Brien the finer points of the chant that follows him everywhere he goes
Rap icon incorrectly assesses fake hip-hop titles like "Get Money, Got Money, Lost Money – Ain't Funny," "Hot Sauce 4 Tha Boss"
Ray Romano, Gary Oldman also assist with goofy 'Late Late Show' bit, which quotes singer's "Sorry," "Baby" and more