Near the end of the episode, Troy says, "And we're all spiderman!" In 2010 one of Donald Glover's fans suggested that Glover play as Peter Parker in the then-upcoming Amazing Spider-Man movie. Fans showed their support by retweeting the hashtag "#donald4spiderman". - Wikipedia
The trivia items below may give away important plot points.
Second episode in the entire series to feature an incomplete study group. Chevy Chase left the show after shooting the finale, Community: Advanced Introduction to Finality (2013), out of order, after which this episode was shot. His absence is explained as Pierce donating his kidney to his brother Gilbert to get out of the history final. Chase returned a week later for the last episode shot, the puppet episode Community: Intro to Felt Surrogacy (2013), by giving his voice to puppet Pierce.
When at the froyo in the mall where they all decided to go to Greendale, the song from 'The Breakfast Club' by 'Simple Minds' is playing in the background. The movie referenced several times in the first pilot