Which episode of "Rick and Morty"  aired unannounced on April 1, 2017 and was replayed every half hour from 8pm to 12am ET, as part of Adult Swim's annual April Fools' prank?
The Rickshank Rickdemption "The Rickshank Rickdemption" is the first episode in the third season of the American animated television sitcom "Rick and Morty", and the twenty-second episode overall in the series. It was written by Mike McMahan and directed by Juan Meza-Leon. The season three premiere first aired unannounced on Adult Swim in the United States on April 1, 2017 when it was watched by 676,000 American households. On the first day of its original broadcast, "The Rickshank Rickdemption" was replayed every half hour from 8pm to 12am ET with improved ratings, as a part of Adult Swim's annual April Fools' Day joke.
Pawnee Zoo "Pawnee Zoo" is the second season premiere of the American comedy television series "Parks and Recreation", and the seventh overall episode of the series. It originally aired on NBC in the United States on September 17, 2009. In the episode, Leslie accidentally takes a stand in favor of same-sex marriage when she holds a marriage for two male penguins during a publicity stunt for the zoo.