Watch 30 Rock Season 3 Episode 21 - Mamma Mia Online

57 21 “Mamma Mia“ Don Scardino Ron Weiner May 7, 2009 321
Liz and Tracy encourage Jack to search for his real father. Tracy meets his new found illegitimate son, but Liz and Pete question the son’s intentions. Jenna takes the credit for one of Liz’s ideas.

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