1. Zack and Slater at a table reading.
Alice S. Hall/NBCU Photo Bank
2. Behind the scenes of an episode called "No Hope For Dope," which makes this picture even more amazing.
Alice S. Hall/NBCU Photo Bank
3. Slater studies lines on set.
Alice S. Hall/NBCU Photo Bank
4. Mark-Paul Gosselaar giving the studio audience exactly what they came for.
Alice S. Hall/NBCU Photo Bank
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5. The infamous Bayside boys' bathroom.
Alice S. Hall/NBCU Photo Bank
6. The gang greeting the live studio audience.
Alice S. Hall/NBCU Photo Bank
7. Kelly, Lisa, and Jessie goofing around in the wardrobe department.
Alice S. Hall/NBCU Photo Bank
8. The show's art director with set plans.
Alice S. Hall/NBCU Photo Bank
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9. Would give anything to know what these Baysiders are talking about.
Alice S. Hall/NBCU Photo Bank
10. America's favorite '90s TV couple at a table reading.
Alice S. Hall/NBCU Photo Bank
11. Whoa. A Saved by the Bell tour.
Alan Singer/NBCU Photo Bank
12. So. Much. Fun.
Alice S. Hall/NBCU Photo Bank
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13. Loving the white jeans, A.C.
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14. Epic Slater shot.
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15. Nice legs, Preppy.
Alice S. Hall/NBCU Photo Bank
16. Screech The Weird.
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17. Tori Spelling was on three episodes between 1990 and 1991.
Alice S. Hall/NBCU Photo Bank
18. Aw!
Alice S. Hall/NBCU Photo Bank
