Watch 30 Rock Season 04 Episode 13 Online Streaming Video. To avoid feeling lonely on Valentine’s Day, Liz Lemon (Tina Fey) schedules a root canal but soon realizes she hasn’t thought it through. Meanwhile, Jack Donaghy (Alec Baldwin) woos an attractive and successful CNBC host, Avery Jessup (guest star Elizabeth Banks), and Jenna Maroney (Jane Krakowski) is disappointed when her creepy stalker loses interest.