Stacy Barnhisel

The remains of an escaped convict are found in a residential sewer, but an examination of the sewer pipes indicates that the murder occurred within prison walls. Brennan insists on solving the crime – despite Booth’s pleas for her not to overexert herself – and the expectant couple experiences a very untraditional arrival of their baby daughter.

An escaped lion puts lives and relationships in danger; Lexie hears Mark talking about moving in with Julia; Teddy begins to come to terms with Henry's death; Callie asks Arizona about her past relationships.

Che (recurring guest star Chris Pratt) and Seth take a trip to a forest, where Che has a dream and discovers that his spirit might be in love with someone unexpected.

A roller coaster crash kills six people and investigators must determine whether it was an accident or foul play.

Savi must hide her pregnancy from Harry as she anxiously waits for paternity test results; Joss and Alex's friendship takes an interesting turn; a private investigator asks Karen about her lover's death.

Karen's agent is unimpressed with her new book proposals; April quits her job after being kissed by Michael; Joss and Harry struggle with their new working relationship.