Fosters Home for Imaginary Friends Season 6 Episode 13 - Goodbye to Bloo Episode Title:Goodbye to Bloo.Episode Description:In the series finale, Mr. Herriman explains that Mac is moving, Bloo decides to give him the best day ever, though things do not go as he planned. Through the entire day, Mac does things with everyone but Bloo, making him angrier and more emotionally hurt after every disappointment. He also gets more pressured every time the clock announces the hour. However, to everyone's surprise and relief (and Mr. Herriman realizes he forgot to mention this), it turns out Mac is moving to an apartment just next door that was held by Louise's family. On a less happy tone for everyone at Foster's, Cheese ends up moving in because Louise's new home does not allow imaginary friends. The show ends with the house slowly being erased as the beginning of the show's theme song plays in reverse. Cheese then says a final goodbye to the audience, ending the series.