James Corden's Train-Themed Show Derails w/ Allison Janney & Jonathan Van Ness

Working off a tip that his guests Allison Janney and Jonathan Van Ness are both train enthusiasts, James Corden invites the two of them to compete in some locomotive knowledge in a game of Full Steam Ahead. But there's one issue: Allison and Jonathan are not train enthusiasts.

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Watch The Late Late Show with James Corden weeknights at 12:35 AM ET/11:35 PM CT. Only on CBS.

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Each week night, THE LATE LATE SHOW with JAMES CORDEN throws the ultimate late night after party with a mix of celebrity guests, edgy musical acts, games and sketches. Corden differentiates his show by offering viewers a peek behind-the-scenes into the green room, bringing all of his guests out at once and lending his musical and acting talents to various sketches. Additionally, bandleader Reggie Watts and the house band provide original, improvised music throughout the show. Since Corden took the reigns as host in March 2015, he has quickly become known for generating buzzworthy viral videos, such as Carpool Karaoke."