Marian discusses raising a family, naming Howard, Richie and Joanie. This was another instance of erasing Chuck Cunningham from existence.
Although he did not appear in this episode, this show aired on Ron Howard's (he played Richie Cunningham) 29th birthday (date of birth 03-01-1954).
The Sonny Listin Cassias Clay fight was held on February 25, 1964 and then the second one was held on May 25, 1965.
After its brief appearance in the 1930's, The Halter Top did not become fashionable until the late 60's early 70's. In this dated "1965" Jonnie claims she was wearing a halter top that fell diwn while she was performing.