fun 'n games: what is spaceball played on?

Questions

Family Flicks: Who was Bugsy Malone's girlfriend (Full character name)?

Family ties: who was alex p. Keaton's idol?

Famous Gills: Actor who played Fish on "Barney Miller" and "Fish." (gill, fish ... get it)?

Famous Gills: Name the Monty Python member who best fits this TV / Movies.?

Famous Gills: Plays Agent Dana Sculley on the "X-Files."?