Liz and Pete are forced to search for new talent, but don't want the writers ...
30 Rock
Season 4 Episode 20: The Moms
It's time for the Mother's Day special at TGS, and Jack's mom begins meddling in his two relationships, Liz's mom reveals her surprise true love, Tracy clashes with his pretend TV mom, and Jenna's mom is there because Jack's paying her.