: 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.
: The resident "squintertern" for the case, played by Joel David Moore . [S4E25] The Critic in the Cabernet
: David Boreanaz previously made a cameo in Family Guy , and Stewie's appearance in Bones was considered a creative "exchange" between the shows. : Under the stress of Brennan's request and
: 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. : David Boreanaz previously made a cameo in
: 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.
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
: During Booth's sperm analysis, the characters praise a count of 28.8 million in 3 mL; however, the average count is actually significantly higher (roughly 120 million per mL).