Katie Learns About Crosby's Son on 'Parenthood' (VIDEO)

Having a baby is a big step, but it's even more complicated when you learn that your partner already has a child you knew nothing about. Imagine Katie's surprise to hear that Crosby has a son on 'Parenthood' (Tue., 10PM ET on NBC).

"I'm sure it was confusing, but you've also been sneaking around and hiding him, and keeping him from me for over a month," she says. And she's right, of course. Crosby should have told her as soon as he learned the truth. We're with Katie on this one.

Watch the video after the jump.Having a baby is a big step, but it's even more complicated when you learn that your partner already has a child you knew nothing about. Imagine Katie's surprise to hear that Crosby has a son on 'Parenthood' (Tue., 10PM ET on NBC). "I'm sure it was confusing, but you've also been sneaking around and hiding him, and keeping him from me for over a month," she says. And she's right, of course. Crosby should have told her as soon as he learned the truth. We're with Katie on this one.