Community is a situational comedy series on NBC, created by Dan Harmon, known also as being the co-creator of Rick and Morty. The show has received a cult following and widespread critical acclaim for it's meta-commentary, parodies, and subversions of common TV cliches and tropes.
Community in Rick and MortyIn "Auto Erotic Assimilation", Rick and Unity were watching an alien version of Community on TV. Rick was telling Unity to control the actors, portraying the characters of the show, making them do stupid things. Rick also made unity cancel the show and bring it back again, referencing to the show's brief and abrupt cancellation after it's fifth season, which would soon be undone, having a sixth season picked up on Yahoo! Every main character from Community was portrayed except for Ben Chang, referencing to the show's running gag of the main study group not allowing them into their little friend circle.
Rick and Morty in Community
In "Analysis of Cork-Based Networking", Abed and Rachel are seen, watching an episode of Rick and Morty.