never realized that he could survive financially without the income. After realizing that Tracy has quit the show, Jack must find a way to bring him back, after Tracy's son, Tracy Jr. (Bobb'e J. Thompson), complains to Jack about how unbearable his father is to have around the house. Meanwhile, in order to get attention for herself, Jenna Maroney (Jane Krakowski) decides to cut her hair for charity as a publicity stunt. Jenna makes an appearance on NBC's Today Show, where her haircut will be broadcast. Meredith Vieira asks Jenna's opinion on the news that Tracy has left TGS. At learning this, Jenna bails out on her haircut. After discovering that Tracy is still in contact with NBC page Kenneth Parcell (Jack McBrayer), Jack realizes that their relationship is the key to bringing Tracy back to TGS. Jack, therefore, orders Kenneth to break off all contact with Tracy, although this fails because of Kenneth's relationship with Tracy. Seeing an opportunity, Jack states that since Kenneth's duties were primarily taking care of Tracy, and Tracy no longer works at NBC, Kenneth is no longer needed. Not wanting Kenneth to lose his job, Tracy agrees to return on the stipulation that Kenneth keeps his job. Production "The Bubble" was written by series creator, executive producer and lead actress Tina Fey. The director of this episode was Tricia Brock. This was Fey's sixteenth writing credit, and Brock's first directed episode. "The Bubble" originally aired on NBC in the United States on March 19, 2009. When actor Jon Hamm hosted the sketch comedy show Saturday Night Live (SNL) in October 2008, negotiations took place with the show's producers for him to guest star on 30 Rock. In December 2008, it was confirmed Hamm would appear as a love interest for Fey's character, Liz Lemon. It was also announced by NBC that Hamm would star in a three-episode arc; he made his debut in the February 5, 2009, episode "Generalissimo", and made a second appearance in "St. Valentine's Day". "The Bubble" was the completion of Hamm's three episode arc, though Hamm made appearances on the show's fourth season episodes "Anna Howard Shaw Day" and "Emanuelle Goes to Dinosaur Land". In an interview with Entertainment Weekly, Fey said that when the writing staff is developing a script, "We'll have an actor in mind and we'll keep referring to them. Like for this we said, 'Then Hamm