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?
Rick and Morty (season 3) The third 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. It premiered with "The Rickshank Rickdemption," which 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 episode was also simulcast as a looping live stream on Adult Swim's site. The remaining episodes began airing on July 30, 2017. The season will feature a total of 10 episodes.
Final episode of The Colbert Report The untitled final episode of American late-night comedy television series "The Colbert Report" is the 1,447th episode of the series overall and is part of the eleventh season. The final episode of "The Colbert Report" originally aired in the United States on December 18, 2014 on Comedy Central. In the episode Stephen becomes immortal after accidentally killing "Grimmy" during the opening of the segment of "Cheating Death with Dr. Stephen T. Colbert, D.F.A.". This leads to Stephen singing "We'll Meet Again" in its entirety along with a large crowd of several recognizable figures, before meeting with Santa Claus, Abraham Lincoln, and Alex Trebek on the roof of the studio.