what season of the how Rick and Morty did The Ricks Must Be Crazy air.
The Ricks Must Be Crazy: "The Ricks Must Be Crazy" is the sixth episode in the second season of the American animated television sitcom "Rick and Morty", and the seventeenth overall episode in the series. Rick and Morty (season 2): The second season of the animated television series "Rick and Morty" originally aired in the United States on Cartoon Network's late night programming block, Adult Swim, which premiered on July 26, 2015 with "A Rickle in Time", and concluded on October 4 with "The Wedding Squanchers".
second season