One of the original episodes of An Audience With..., Joan Rivers. Loved watching these as you get to see the famous UK audience many of whom are no longer with us.
Other Links
An Audience With Peter Ustinov [1988] LWT Comedy
https://youtu.be/OVmmEpbTibo
An Audience With Harry Hill [2004] LWT Comedy - Entertainment Show
https://youtu.be/FjJVIHXy9OY
An Audience With Dame Edna Everage [1980] LWT Comedy - Barry Humphries
https://youtu.be/RB6ow6rxUbs