The Moms 30 Rock : Season 4 Episode 20
TV-14 NBC 22m
Aired: May 6th, 2010 @ 8:00 PM EST on NBC
Liz Lemon meets her mother's old flame, while Jack Donaghy's mother, Colleen, gets tangled in his relationships with Avery Jessup and high school love, Nancy Donovan. Jenna's mother, Verna returns, while Tracy learns a lesson from his "mom".
