Description:ET visited the set of NCIS for a behind-the-scenes look at tonight's episode featuring Jamie Lee Curtis and found out who makes the Freaky Friday actress blush—Mark Harmon. "I'm very fond of him and he's fond of me" Curtis said of her friendship with Harmon. "I'm not going to lie to you and say that this is a horrible, difficult job to 'play' with him.
I'm happy to have it." (3:03)