Hostages (10pm, CBS) - Ellen's sister visits unexpectedly and Duncan forces Ellen to get rid of her without making it look suspicious. Later, Ellen is called in for questioning by the secret service and must play it cool because Duncan is there to help with the questioning.
Also on . . .
How I Met Your Mother (8pm, CBS) - Lily receives a troubling text message from Marshall's traveling companion, so he recruits the rest of the gang to help get the message removed before his wife sees it.
The Voice (8pm, NBC) - The knockout round begins, with the coaches pitting two of their own team members against one another.
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Seduced and Abandoned (9pm, HBO) - A documentary in which actor Alec Baldwin and filmmaker James Toback explore the culture of cinema by canvassing the 2012 Cannes FIlm Festival for financial backing for their update of "Last Tango in Paris" set in 21st century Iraq, pitching their idea to industry big shots such as Mark Damon and Avi Lerner, and interviewing Martin Scorsese, Francis Ford Coppola and others about their love of film.
The Story of Film: New American Cinema (10pm, TCM) - Tonight's installment of this Turner Classic Movies series spotlights my favorite era of American film -- 1967-1979. The special includes interviews with filmmakers Buck Henry, Paul Schrader, Robert Towne and Charles Burnett. Preceded at 8 by "The Graduate" (1967).
Blacklist (10pm, NBC) - A beautiful yet menacing corporate terrorist is tracked, and Tom confronts Liz about a mysterious box.