Herman sneaks out at night to learn how to become a detective, but Lily suspects that he is having an affair; she hires a detective agency to follow Herman.
Lily is upset with Herman when he returns from an office party late in the night, and refuses to cook for him, speak to him or let him into their bedroom.
Speedy, Thunder and Bulldog support a barber that gives haircuts to the homeless; Jet and Coach Lou discuss the history of rival team the Washington Generals
Frasier encounters an attractive female police officer, but the officer is much more interested in his father; Daphne invites some of her friends over.
Frasier becomes obsessed when one member of a focus group says he doesn't like the show, and he inadvertently ruins the man's life trying to find out why.
Roz gives Frasier a copy of his first broadcast at KACL for his third anniversary, reminding him of his arrival in Seattle and reuniting with his family.
During a trip to Acapulco, Columbo learns of a murder that had taken place on the cruise ship, and he is asked by the ships captain to take on the case.
A once-famous star kills her husband when he refuses to finance a new show and makes it look like a suicide and Columbo is the only one who doesn't buy it.
A rock band comes to town from Los Angeles and needs to find a place to hide away from their screaming teenage fans; they pay the Munsters to let them stay.
Bob, Douglas and Christina work together to convince Dottie to draft a will; Abishola and Kemi's friendship is put to the test when Kemi is caught in a lie.