Based on a few Bones spoilers, we can report the following facts about the show's fifth season premiere:

• It's titled "Harbingers in the Fountain."
• It picks up a few weeks after events in the May finale.
• Brennan will have just returned from Guatemala.
• Following his season four surgery, Booth is a tad slower than usual.

Also, Cyndi Lauper will guest star on the September 17 episode as a psychic named Avalon Harmonia. Click on the pics below to see her, and others, in the Bones season premiere:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.