Mark-Paul Gosselaar does Jimmy Fallon interview as Zack Morris (WTF?!?)

This is one of the weirdest/coolest things I have ever seen on late night TV.  I also think it's one of the best ideas ever and I am glad Mark-Paul Gosslear was cool enough to go along with it.  Zack Morris doesn't look like he as aged a day!  The Roots even played the Saved By The Bell theme and then performed Zack Attack's "Friends Forever".  UNREAL! 

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