In Season 2, Peter appears as a young man in Lydia's hallucinations, successfully seducing Lydia before revealing his true identity, to her horror. He lives on in Lydia's mind. Peter knew Lydia would be immune to the Bite, so instead Peter had imprinted his memories within Lydia as his back-up plan, should he be killed. He psychologically tortures her into following his instructions. In "Party Guessed" by using Derek's healing ability as an Alpha and the light of the Worm moon, Peter successfully has Lydia resurrect him. It is revealed by Deaton, that Peter lost his Alpha status upon resurrection and his abilities are subsequently impaired.
