Watch 30 Rock Streaming on Peacock: pck.tv/3gdiSIP Dennis Duffy (Dean Winters) is the absolute worst. From annoying noogies to almost pushing Liz (Tina Fey) in front of a train, there is truly nothing the Beeper King won't do to keep the spotlight on himself. Will Liz Lemon ever learn? Synopsis: Liz Lemon (Tina Fey) is the female head writer of a nighttime live sketch/variety/comedy program called "TGS with Tracy Jordan." She struggles with keeping Tracy Jordan, the show's unpredictable star, and Jack Donaghy, the nosy network executive, in check, while dealing with the rest of the staff's antics and attempting to salvage her own personal life. #Peacock #30Rock #TinaFey #LizLemon #DeanWinters #DennisDuffy Peacock is your go-to for hit movies, TV, live sports, and more. With the streaming service from NBCUniversal, you can watch new movies from theaters, current hits from NBC and Bravo, nonstop action from WWE, Premier League, Big Ten, and tons of other sports. Plus, stream ...