Charnock's Comedy Cabaret

Charnock's Comedy Cabaret was a holographic simulation of a 20th century comedy nightclub of Earth, available from the main computer aboard the starship USS Enterprise (NCC-1701-D). The simulation includes numerous comedians of Earth history, including The Comic.

In 2365, Data activated this simulation, on the advice of Guinan, to learn about humor. 

The simulation was also available aboard the USS Enterprise (NCC-1701-E) in 2373.