Character mistake: In arguing Alan Shore should be fired, Paul Lewiston says he conducts himself disreputably at every firm he's worked for, and that his last firm sued him. This would seem to be a reference to the final season of "The Practice." However, it was Alan who was the one to sue Young, Frutt and Berluti, claiming wrongful termination. In fact, the reason Alan is even associated with Crane, Poole and Schmidt to begin with is because they're the firm he hired to sue YFB, leading to Denny offering him a job.
Still Crazy After All These Years - S1-E2
Character mistake: Speaking to Denny Crane, Paul Lewiston brings up how they had ringside seats to what he says was Muhammad Ali's last fight. Lewiston recalls Ali losing to Larry Holmes, which would be the Oct. 2, 1980 fight. However, Ali's final fight was against Trevor Berbick, a loss via decision in 10 rounds, Dec. 11, 1981. (00:37:15)
Hired Guns - S1-E10
Continuity mistake: As Denny walks out of his office after shooting the assailant, Sally moves to the doorway, hands by her sides. Shot cuts to further away and her hand is suddenly up by her mouth. (00:32:40)