: Under the stress of Brennan's request and an undiagnosed health issue, Booth begins to hallucinate, seeing and conversing with Stewie Griffin from Family Guy . Stewie mocks Booth's insecurities regarding the baby, appearing first on a television and later in an interrogation room.
: Parallel to the case, Brennan decides she wants to have a child and asks Booth to be her sperm donor. This request forces both characters to confront unspoken feelings and the potential of a shared future.
is the 25th episode of Season 4 of Bones , first aired on May 7, 2009. This episode is pivotal for its long-term impact on the relationship between Dr. Temperance Brennan and Agent Seeley Booth, famously featuring a crossover with the animated series Family Guy . Plot Overview
: Brennan's father, played by Ryan O'Neal, makes an appearance as Brennan discusses her parenting plans.
: Dr. Hodgins hands Brennan a "toupee screw" while calling it a "grommet." A grommet is actually a metal ring used to protect holes in fabric.
: The team investigates human remains discovered inside a wine barrel during a tasting at a Virginia winery. The victim is Spencer Holt, an influential wine critic known for scathing reviews that could ruin a vineyard's reputation.
: The resident "squintertern" for the case, played by Joel David Moore .
: David Boreanaz previously made a cameo in Family Guy , and Stewie's appearance in Bones was considered a creative "exchange" between the shows.