At the end of the Bones season finale, during the credits, the narrator said new episodes would return in the fall. — Tom
MATT: My, isn't Mr. Voice of Fox well-connected! But did he tell you this?: We have not seen the last of Booth's brother, Jared. "They're just starting to write next season now, but I would imagine he'll pop up," says Emily Deschanel. Noting that Jared's affinity for Temperance was "not exactly resolved" by season's end - and progressed not at all during the surreal finale - she believes "it would make sense for him to come back." .
Source: TVGuide