| "Chain Reaction of Mental Anguish" | |
|---|---|
| 30 Rock episode | |
| Episode no. | Season 5 Episode 9 |
| Directed by | Ken Whittingham |
| Written by | Kay Cannon |
| Production code | 509 |
| Original air date | December 2, 2010 |
| Guest appearances | |
| |
"Chain Reaction of Mental Anguish" is the ninth episode of the fifth season of the American television comedy series 30 Rock, and the 89th overall episode of the series. It was written by co-producer Kay Cannon and directed by Ken Whittingham. The episode originally aired on NBC in the United States on December 2, 2010.
In the episode, Jack Donaghy (Alec Baldwin) tries to help Tracy Jordan (Tracy Morgan) when his "son" returns and asks for money to fund an ill-conceived theme restaurant; Liz Lemon (Tina Fey) turns to Kenneth Parcell (Jack McBrayer) as a relationship therapist; and Jenna Maroney (Jane Krakowski) thinks her boyfriend Paul (Will Forte) may pop an important question.