49. In “Abed’s Uncontrollable Christmas”, in which the characters are all clay models, they do in fact make one very subtle appearance as their regular human selves. 49 Things You Might Not Have Known About "Community"
18. In “Critical Film Studies”, Abed tells Jeff that he’s been given a part as an extra in his favourite show, Cougar Town. He then appears in Cougar Town’s season two finale. 49 Things You Might Not Have Known About "Community"
39. The diorama the study group make of the study room in “Paradigms of Human Memory” has a figure of Chang watching through the window from the outside. 49 Things You Might Not Have Known About "Community"
The third time Beetlejuice is mentioned in the show, by Annie in “Horror Fiction in Seven Spooky Steps”, a man in a Beetlejuice costume walks by in the background, which references the Tim Burton film in which he appears if his name is said three times. 49 Things You Might Not Have Known About "Community"
These “Star Wars” Autographs From Mark Hamill Are Hilariously Unexpected. After writing “May The Force Be With You” 10,000 times, it can get pretty monotonous so the man forever known as Luke Skywalker likes to shake it up and write something funny on the picture, sometimes at the request of the fan and sometimes he’ll ask them if it’s ok to adlib something for the picture. But If it’s a 9-year-old boy who wants ‘May the Force be with you,’ that’s what he’s going to get.”