27. Bones hit the century mark
Bones went all out for its 100th episode: Series star David Boreanaz directed it, Eric Millegan returned to play intern Zach Addy, viewers got a glimpse at the turbulent beginnings of Booth and Brennan's relationship, and—most momentously—Brennan rejected Booth in one of the most heartbreaking scenes of the year.Tipster: Beau2985
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