30 ROCK “Into the Crevasse” Season 4 Episode 2 October 20, 2009 30 Rock Check out a first look at 30 ROCK Season 4 Episode 2 “Into the Crevasse” airing this Thursday October 22 at 8pm on NBC. Episode Synopsis: 30 ROCK “Into the Crevasse” Season 4 Episode 2 – When Devin (guest star Will Arnett) returns to plot revenge against Jack (Alec Baldwin), he needs to find a way to protect the company and his job’s safety. Meanwhile, Tracy (Tracy Morgan) and Jenna (Jane Krakowski) both have reason to be angry with Liz (Tina Fey) and are determined to make her life miserable. Liz has to find a way to regain order over her life and the show. Outside of the studio, Kenneth (Jack McBrayer) devotes some of his spare time to volunteering at an animal shelter. Judah Friedlander and Keith Powell also star. Watch 30 Rock Episodes here Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)