When a new couple move into the apartment building, the gang are very curious about them. Lucy happens to overhear some concerning things from them, and the Ricardos and Mertzes end up in a fight for their life... or... so they think.  For a while. Discussions today include Smokey the Bear, The Flintstones (again), and all the Mortons. Apologies once again for any background noise.

How Stereotypes of the Irish Evolved from Criminals to Cops

TV Tropes: Officer O'Hara