Love That Bob to Public Morals

The Bob Cummings Show was repackaged and ran in syndication as Love that Bob.

Here's Lucy's Lucy Carter was visited in two episodes by The Bob Cummings Show's Bob Collins.

Here's Lucy's Lucy Carter and Mannix's Mannix are held hostage in an episode of Here's Lucy.

Mannix returned to TV on an episode of Diagnosis Murder to solve an old unsolved case with the help of Dr Mark Sloan.

The airplane that crashed and strand the cast of Lost was Oceanic Airlines Flight 815 also featured on Diagnosis Murder.

In an episode of Veronica Mars, Veronica's fortune cookie had the numbers that won Hurley from Lost the lottery.

The mugshot of Malcolm T Wiggins from the X-Files episode "Titonus" appears on the wall of a police interrogation room in the Veronica Mars episode "Leave it to Beaver." Also the fictional car rental company Lariat where Mulder & Scully always rented their cars was featured prominently on the Veronica Mars episode "Rat Saw God."

Homicide's John Munch questioned The X-Files' The Lone Gunmen.

Homicide's detectives watched Oz's Miss Sally on TV.

St Elsewhere's hospital management company Weigert (was Ecumena) took over Oz's hospital.

The Bob Newhart Show's Elliot Carlin visited the psych ward at St Elsewhere's St Eligius Hospital.

The Bob Newhart Show's Bob Hartley woke up after dreaming the entire series Newhart during Newhart's finale.

Newhart's Larry, Darryl and Darryl squatted in Coach's Hayden and Christine's home

On a network crossover night, The Drew Carey Show, Grace Under Fire's Grace Kelly, Coach's Luther and Ellen's Paige and Spence all show up. Finally on Ellen, Paige and Spence run into Grace Kelly and Drew Carey

The Drew Carey Show's cast went to NYC where a traffic tie-up was being investigated by NYPD Blue's James Martinez.

NYPD Blue spun-off Public Morals.