30 Rock Season 3 Episode 21 - Mama Mia

Airdate: 2009-May-07

Episode summary:

Jack begins to search for his biological father with help from Liz. Meanwhile Tracy introduces his supposedly illegitimate son to the cast and crew of TGS, but some question his intentions. Meanwhile, Jenna and Liz fight for attention when Jenna gets public recognition for a comedic sketch Liz wrote.

About 30 Rock series:

30 Rock is an American television comedy series created by Tina Fey that airs on NBC. The series is loosely based on Fey’s experiences as hea...Show more >