Bones‘ big baby mystery has been solved.

Exec producer Stephen Nathan previously hinted to TVLine that Season 10 will feature an unexpected pregnancy, and we can now reveal — via the exclusive trailer below — that the mom to be is… Daisy!

RELATED Fall TV Spoiler Spectacular: Exclusive Scoop and Photos on 43 Returning Favorites, Including Bones 

And the baby daddy? Well, it’s none other than ex-boyfriend Sweets. (Apparently a lot has happened during that four-month time jump.)

Press PLAY below to witness the big reveal — and we do mean BIG.

The following teaser also offers a glimpse of Booth’s surprisingly steamy post-pokey reunion with Brennan, as well as a first look at Booth’s hotshot new FBI sidekick Aubrey.

Oh, and did we mention that Daisy is preggars?!?! Yes? OK, cool.

RELATED Bones‘ Mysterious 200th Episode Plot Revealed?