Ray references this
"They promised they would only air that [embarassing commercial I made for impotence] during Diagnosis Murder!"
Title makes reference and then a subplot involves a murder in the hospital.
mentioned in dialogue
Mentioned by announcer at circus.
Mentioned by Benito
Troy says his wife stabbed with a cake fork during Diagnosis Murder.
Moss mentions it.
Uncle Burton mentions it.
Frankie Boyle mentions the show.
Malcolm mentions the show.
Linkara discusses spin-offs in which characters become detectives
Cora says, "It better be good. I'm missing Diagnosis Murder for this."
After eavesdropping on a disagreement in the pub Rose says, "Better than Diagnosis Murder, eh, Cora?".
Junior watches the show
Video clip of Dick Van Dyke.