* HeyItsThatGuy
** One of the other detectives in the precinct runs a [[Film/TheKarateKid karate dojo]] where he tells his students "Mercy is for the weak."
** His partner also helped [[Series/{{Alias}} Sydney Bristow]].
** In addition, the precinct's desk sergeant is [[Film/{{Meatballs}} Tripper Harrison's]] boss.
** This also applies to people working off camera as well. Series producer Terry Louise Fisher later went on to co-create ''Series/LALaw'' alongside Creator/StevenBochco.
** DaChief is the ''KingOfKensington''.
** [[Series/WelcomeBackKotter Juan Epstein]] is a cop!
* MissingEpisode: When reruning ''Cagney & Lacey'', Lifetime omitted the first season episodes featuring Meg Foster as Cagney. The DVD release does likewise, labeling the second season (featuring Sharon Gless as Cagney) as the the first season.
* TheOtherDarrin: Loretta Swit played Cagney in the MadeForTVMovie, but wasn't available for the series. Meg Foster played her for the first season before being replace by Sharon Gless, who played her for the rest of the run.
* UnCanceled: A letter-writing campaign resurrected the show from a 1983 cancellation.
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