Best TV mistakes of 1975
Factual error: Ann enters Julie/Barbara's room and Eton John's "Rocket Man" is playing. Barbara is siting in front of the turntable playing a 33 LP that has the distinctive Atlantic Records Red/White/Green label. Rocket Man was never published on Atlantic records.
Continuity mistake: McBride and Ryan are driving through town in heavy traffic. When the shot cuts (and their conversation continues uninterrupted), not only does the rear view mirror disappear, but an obvious rear screen projection changes their locale to a country road with trees and no traffic at all.