Mariska Hargitay Praises Kelli Giddish Amid Co-Star's 'Law & Order: SVU' Exit (Exclusive)

Mariska Hargitay chats with ET's Rachel Smith in New York City about 'Law & Order's three-hour premiere. The actress shares her appreciation for Kelli Giddish, who's departing 'Special Victims Unit' after 12 years on the series. Mariska also reacts to the fandom's obsession with the chemistry between her and Christopher Meloni. The new seasons of 'Law & Order: SVU,' 'Organized Crime' and 'Law & Order' kick off with a three-hour crossover Sept. 22 on NBC.