Overview: Liam returns with an agenda for Aidan; Sally tries to figure out what's wrong with her body; Nick hides a secret.
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First Air Date: Jan 17, 2011Last Air date: Apr 07, 2014Season: 4 SeasonEpisode: 52 EpisodeRuntime: 43 minutesQuality: HDIMDb: 7.00 / 10 by 174 usersPopularity: 35.355Language: English