Jimmy Smits discusses his Puerto Rican upbringing, learning Spanish, and his role on "The West Wing," while Emmy award winner Joan Lunden talks about hosting a new reality show and life with two sets of twins.

Marcia Cross chats about “Desperate Housewives” and her psychology degree, then shows off some dance moves. Meanwhile, Carson Daly shares a wild injury story, discusses his late-night show, and gets the audience involved in a fun game!

Ellen helps Jimmy Smits prepare for his live debate on “The West Wing,” while Steve Zahn drops by to share stories about life in Kentucky and the hilarious mishap behind his bad driver’s license photo.

Ellen has the exclusive farewell interview with the entire cast of "The West Wing," including MARTIN SHEEN, ALLISON JANNEY, BRADLEY WHITFORD, RICHARD SCHIFF, JIMMY SMITS, JANEL MOLONEY, KRISTIN CHENOWETH and DULE HILL. Ellen and the cast celebrate with a special season finale send-off party! The cast shares special moments and highlights from the past seven seasons.