You can see the bulletin board that needs to be replaced fall down in the second episode of the season Community: Introduction to Teaching (2014) just before the protesting students enter the cafeteria.
When Buzz Hickey (Jonathan Banks) is watching the news about the bear attack, the breaking news story on the bottom of the TV is: Levar Burton and non-celebrity companion captured by pirates in the Gulf of Mexico.
The trivia items below may give away important plot points.
On the news segment the near the end of the episode a bulletin can be saying reporting that Levar Burton and a non celebrity have been captured by pirates in the Gulf of Mexico. The non celebrity being Troy Barnes.