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 . The simulation included 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   in 2373. ()

See also 
 Charnock's Comedy Cabaret holograms

Earth establishments
Holographic programs