At one point when he and Raymond are in the park, Chet tries to convince Raymond to postpone his plans to run away by mentioning that he has tickets to the Jimi Hendrix concert "in two weeks." This episode was likely filmed during the summer of 1970, but by the time it was initially broadcast, on October 25, 1970, Hendrix had died just over a month before, on September 18. Nevertheless, they left the line in the finished episode.