At the end of the episode, when Pacey is telling Joey about his school issues, Joey's hair changes between shots.
At the beginning of the second episode, Failing Down. Andie says to Joey about working at the CYC = Capeside Yacht Club and she is talking about 'tips'. In a later season, Emma says to Joey about mishearing the word tips and Joey feels embarrassed yet when Andie says it, it doesn't make an impact.