Mark-Paul Gosselaar, whom you once knew as the impish Zack Morris from Saved By the Bell, is making his off-Broadway debut with a show called "The Understudy." Better than just sitting around and waiting for a Saved by the...

Big ups to Mark-Paul Gosselaar for bringing back Zack Morris, then sticking with it for the entirety of his nine minute appearance. Plus, with Zack on board, it looks like this Saved By the Bell thing is going to happen.

Lisa...