![Jack\'s intentionally ruining NBC | 30 Rock](https://i.ytimg.com/vi/2Xs6Q3kxbao/sddefault.jpg)
Tags:
jack tanks NBC 30 rock jack ruins NBC 30 rock 30 rock jack tanks NBC 30 rock jack promotion 30 rock jack gets a raise Liz Lemon 30 rock 30 rock best of Liz Lemon 30 rock jack fails Tina Fey 30 Rock Funny Sit Com funniest videos Liz Lemon 30 Rock 30 Rock Full Episodes Jane Krakowski Jenna Maroney Funniest 30 Rock Moments Tracy Jordan Tracy Morgan Best Of 30 Rock