: 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 hallucinations lead Brennan to realize Booth needs immediate medical attention. He is diagnosed with a brain tumor (an astrocytoma) and is rushed into surgery at the episode's end. Key Cast & Guest Stars Stewie Griffin : Voiced by Seth MacFarlane . [S4E25] The Critic in the Cabernet
: Brennan's father, played by Ryan O'Neal, makes an appearance as Brennan discusses her parenting plans. He is diagnosed with a brain tumor (an
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 is the 25th episode of Season 4 of
: The resident "squintertern" for the case, played by Joel David Moore .
: 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.
: 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).