Formality

Formality is the eleventh episode of season one of Teen Wolf. It aired on August 8th, 2011.

Main Article: Formality

Post Nomadic, Half-Vampiric
Formality was split into two chapters in Post Nomadic, Half-Vampiric: Chapter fifteen (Jerkson or Jackass?) and chapter sixteen (Peter, Destroyer of Dances).

Jerkson or Jackass?
Summer goes to Scott's house to help the boys search for Scott's phone. The group then forces Jackson to confirm his winter formal date with Allison. Summer goes dress shopping with Allison and Lydia at Macy's. Summer tells the girls that Peter is a registered sex offender so that they avoid him.

Peter, Destroyer of Dances
Summer meets up with Stiles at the winter formal. They dance together while Scott gets chased down by Coach. Summer hears Lydia frantically calling for Jackson so her and Stiles investigate. They discover Peter has bitten her and then they get forced to go with Peter to find Derek.