1. The one where they sleep in the mall to get u2 tix
  2. The one where they go to the murder mansion mystery weekend
  3. The one where lisa does a fashion show and falls in love with zack
  4. The one where screech sells his secret spaghetti sauce
  5. The one where Mr Belding's brother is a substitute teacher and wants to take the kids white water rafting until he meets a stewardess
  6. Zack Attack!
  7. Palm Springs Weekend, Pts. 1 & 2!
    Suggested by @Pixie