Where Is Sit Ubu Sit from?

The photo of Ubu with the Frisbee hanging from his mouth — the iconic image we all remember from that Ubu Productions kicker — was taken near the Louvre in Paris, just before Gary and Diana decided to head back to the United States. And it's Goldberg's voice uttering the "Sit, Ubu, sit" catchphrase.

Where did sit Ubu come from?

Along with the picture is Goldberg's voice saying "Sit, Ubu, sit! Good dog!", followed by the sound of a bark. The dog was named after Alfred Jarry's 1896 play Ubu Roi, considered a precursor to the Theatre of the Absurd. Ubu the dog died in 1984.

What TV shows ended with Sit Ubu Sit?