The parks and recreation department have cake to celebrate Andy (Chris Pratt) having his leg casts removed, and Ann (Rashida Jones) invites everybody to a local bar to hear Andy’s first rock concert since he broke his leg. Leslie (Amy Poehler) is disappointed she cannot go, because her mother (Pamela Reed) has set up a business meeting with a local town manager. Later at the hospital, Ann learns from Dr. Harris (Cooper Thornton) that Andy could have had his casts removed two weeks earlier, but that he postponed it because he wanted Ann to keep pampering him.

Angry, Ann begins reevaluating her relationship with Andy. Later that evening, Leslie realizes the dinner with 62-year-old George Gernway (Ron Perkins) is actually a blind date set up by her mother. George, who tells the documentary camera crew he is getting “very positive signals”, agrees to go with Leslie to the rock show.

Mark (Paul Schneider) feels lonely because he is the only one at the concert without a date: Tom (Aziz Ansari) is with his attractive surgeon wife Wendy (Jama Williamson), Ron (Nick Offerman) is dating his ex-wife’s sister Beth (Stephanie Erb) and April (Aubrey Plaza) is with, “like the gayest person I’ve ever met, but I make out with him when I’m drunk sometimes.” Noticing Ann is angry with Andy, Mark makes a pass at her, but Ann angrily rejects him. Leslie and George show up and are mocked by Tom. After the concert ends, Andy tries to stay as long as possible to avoid a fight with Ann, but she insists they leave. George goes home because he was falling asleep and Leslie starts to leave, but an intoxicated Mark asks her to stay and have a beer with him.

When Leslie notes to the camera crew that they seem to be getting along just like when they made love five years earlier, she realizes he was drunk then too. When the bar closes, the two decide to keep drinking alongside the pit outside Ann’s house, which Leslie plans to turn into a park. When Leslie asks whether she thinks the park will ever be made, a pragmatic Mark says it will be a difficult process with a lot of red tape, but she remains optimistic. During a fight, Andy admits to Ann that he postponed having the casts removed, but explains it was because, “I really, really like it when you serve me food.” Ann throws him out, and Andy sees Mark kiss Leslie. Leslie stops his advances because she does not want to move forward when he is drunk. As Mark starts to leave, he falls into the pit. An amused Andy tells Ann, who rushes out to help him while Andy goes back inside and watches television.

“Rock Show” is the sixth episode and season finale of the first season of the American comedy television series Parks and Recreation. It originally aired on NBC in the United States on May 14, 2009.

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