[s4e25] The Critic In The Cabernet May 2026

: 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).

: Brennan's father, played by Ryan O'Neal, makes an appearance as Brennan discusses her parenting plans.

: 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. [S4E25] The Critic in the Cabernet

: Featuring Jeff Yagher as Sean Mortenson and Scottie Thompson as Kim Mortenson. Trivia & Errors

: David Boreanaz previously made a cameo in Family Guy , and Stewie's appearance in Bones was considered a creative "exchange" between the shows. : During Booth's sperm analysis, the characters praise

: 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 . The victim is Spencer Holt, an influential wine

: 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.