United Kingdom, May 18 -- Mark-Paul Gosselaar has "a very limited memory" of 'Saved by the Bell' episodes.

The 51-year-old actor played Zack Morris on the teen sitcom between 1989 and 1993, but Mark-Paul and his former castmates - including Mario Lopez and Elizabeth Berkley - can barely remember any of the episodes they recorded.

Recalling a fan talking to him about the 'Mystery Weekend' episode from 1991, Mark-Paul told People: "I always thought that I had a bad memory about certain things. It was about a murder mystery dinner or whatever. And I knew about it because of my podcast.

"But Mario had no idea what this person was talking about - neither did Elizabeth. I was pleased to know that they have a very limited memory of those even...