When Lucy is reading baby names in book, she stops at 'Anabell.' Lucille Ball starred as Annabel Allison in the films "The Affairs of Annabel" (1938) and "Annabel Takes a Tour" (1938).
Gary Morton, husband of Lucille Ball and a producer of the show, is the announcer overheard at the airport announcing the delayed flight.
At the end of the episode the actor playing the character of Dr. Brogan receives no screen credit despite having a speaking role and playing a key part in the episode's final gag. His identity has yet to be confirmed.
Desi Arnaz Jr is not involved in this episode as he was filming the movie Red Sky at Morning (1971).