Braceface - Season 3 Episode 20 The Domino Effect
Overview: Sharon, Maria and Connor are desperate to raise money for a charity drive. When all attempts fail, Sharon and Maria decide to ask Connor if they can use his anniversary surprise for Alyson as their charity event. Connor says no - his domino-run is for Alyson's eyes only. Eventually he agrees but Sharon's braces prematurely trigger the run and Alyson misses the whole event! Sharon is upset and wants to make it up to Connor. But how?