The second season opening refers to them as merely friends not childhood friends.
During the hotel room scene Felix's nose spray bottle had fallen over on the headboard. As the scene flipped between scenes, the bottle would be standing up (even after being knocked over) in close ups and still standing in the scenes shot at a distance.
Felix closes the jury room window because of the pollen count, yet Oscar says he opened the window to their hotel room later that night to let fresh air in.
Is a series of flashbacks, it is shown how Felix and Oscar first met; serving on a jury. However, beginning in Season Two, the opening voiceover states that Felix and Oscar were childhood friends.
Leo Garvey is being released after seven years, which would put his trial in 1963. Sandy Koufax , who Oscar calls a "great prospect", had been pitching for the Dodgers since 1955.
This is the episode where Felix and Oscar first meet. Yet, in the intro it mentions Felix returns to his childhood friend Oscar Madison.