Bones: Season 6, Episode 23

6 - 23: The Change in the Game

Booth and Brennan go undercover in a bowling league in an attempt to uncover a murder where a man whose unidentifiable and gruesome remains were lodged in the pinsetter at a bowling lane. Brennan's father Max was also a part of the victim's bowling team. Meanwhile, Angela works from the hospital via webcam as she comes closer to giving birth. Brennan has a secret that will change her and Booth's lives forever: she is pregnant and Booth is the father of the child.