The gang at "30 Rock" returns from their summer hiatus.

On the heels of Jack (Alec Baldwin) realizing that GE head Don Geiss (Guest Star Rip Torn) may be retiring, Jack's nemesis, Devin, (Guest Star Will Arnett) returns engaged to Don's daughter.

In an effort to cut off any chance of GE digging up dirt against him, Jack (Alec Baldwin) hires his own private investigator, Len (Guest Star Steve Buscemi), to head them off.

When Liz (Tina Fey) meets her idol, Rosemary Howard (Guest Star Carrie Fisher), she invites her to be a guest writer on the show.

As part of a GE-wide green initiative, Jack (Alec Baldwin) has come up with the idea of creating a green mascot for NBC -- a Philly Fanatic-looking character named Greenzo.

Jack (Alec Baldwin) attends a cocktail party honoring Colin Powell, and there, he falls for C.C. (Guest Star Edie Falco), a Democratic congresswoman from Vermont.

As part of his community service, Tracy (Tracy Morgan) takes on the duties of coaching an inner city little league team from Knuckle Beach, the worst neighborhood in New York.

C.C. (Edie Falco) wants to go public over her love for Jack (Alec Baldwin), while Liz (Tina Fey) tries to appease both Tracy (Tracy Morgan) and Jenna (Jane Krakowski). With special guest stars Edie Falco and James Carville.

It's time again for the office's annual 'Ludachristmas' party and Liz and Jack's families come to visit. Special guests Elaine Stritch, Andy Richter, Buck Henry and Anita Gillette guest star.

Jack (Alec Baldwin) and C.C. (guest star Edie Falco) try to make their long distance love affair work. Liz (Tina Fey) invests in real estate for the first time and Kenneth (Jack McBrayer) gets hooked on caffeine. Special guests include Edie Falco and Gladys Knight.

Someone calls Jack Donaghy (Alec Baldwin) a "Class A Moron" and the New York Post's "Page Six" column picks it up causing Jack agitation. Guest star Rob Huebel.

Liz's (Tina Fey) old boyfriend, Dennis Duffy (guest star Dean Winters) becomes New York's "Subway Hero" and Jack (Alec Baldwin) wants him booked on the show. Tim Conway guest stars.

Don Geiss (guest star Rip Torn) confides to Jack (Alec Baldwin) that he will be named the new GE chairman and Jack names a new successor to his position. Will Arnett and Chris Parnell also guest star.

Liz's (Tina Fey) ex-boyfriend Floyd (guest star Jason Sudeikis) returns to New York while Jack's (Alec Baldwin) days with GE may be numbered. It's Sandwich Day at "TGS" and the sandwich shop location is kept tightly guarded by the Teamsters. Rip Torn and Brian Dennehy also guest star.

Jack heads to Washington, DC while Liz has a pregnancy scare, and Kenneth applies to be a page for the Summer Olympics. Tracy is in the final stages of his new invention. Matthew Broderick, Edie Falco, Dean Winters, and Paul Scheer guest star.