A lot of the gags are pretty good. The Millennium Falcon, for example, has been turned into an unkempt recreational vehicle, and its wookie copilot is now a dog-faced John Candy, who has trouble maneuvering his tail in tight places. Yoda has been transformed into Yogurt (Mel Brooks), the borscht-belt sage who has a profitable sideline in movie merchandising. And so forth.
The crew flings itself energetically through space in search of laughs, but it will never penetrate the galaxy where Blazing Saddles and Young Frankenstein traced their giddy orbits. It's not that Star Wars is less worthy of satire than...