Riot (9pm, Fox) - In the premiere of this new reality series, Steve Carell and Andy Buckley, both of The Office, participate in song, dance and sketch challenges, at times facing a set tilted at a 22-degree angle. Carell is the executive producer of the show. Some of the players this season include Jason Alexander and Cheryl Hines.
Also on tonight . . .
Glee (8pm, Fox) - In the Season 5 finale, Rachel meets an eccentric TV writer, while Sam and Mercedes move forward in their careers. Also, Blaine performs with June Dolloway at NYADA.
Marvels Agents of SHIELD (8pm, ABC) - In the Season 1 finale, the battle against Garrett and Hydra comes to a climax and dark secrets are exposed.
Frontline (9pm, UNC-TV) - The first of a two-part series examining the U.S. governments controversial surveillance program. Part 2 of The United States of Secrets airs on May 20.
Trophy Wife (9:30pm, ABC) - The Season 1 finale nope, make that series finale ( excuse my tears!) has Kate uncovering a hidden agenda after Diane and Jackie offer to let her have the kids on Mothers Day.
Chicago Fire (10pm, NBC) - A fire breaks out at a boarding school in the Season 2 finale, and Severide questions himself in the tragic aftermath of the blaze. Elsewhere, Dawson retakes the firemans exam, with some political help from Ccasey.
Other season finales taking place tonight: NCIS (8, CBS), The Originals (8, The CW), NCIS: LA (9, CBS), The Goldbergs (9, ABC) and Person of Interest (10, CBS).
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