Enjoying an uncredited cameo in this episode is Tamara Dobson, the 6'2" actress best remembered as the title character in the blaxploitation classic Cleopatra Jones (1973). Shortly before her appearance here, she appeared alongside 'Redd Foxx' in the film Norman... Is That You? (1976).
Final appearances of Janet, Roger and Frank Nelson.
The episode title is a play on the song, "When Johnny Comes Marching Home".