[s4e25] The Critic In The Cabernet May 2026

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

: 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

: 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. : Featuring Jeff Yagher as Sean Mortenson and

: The resident "squintertern" for the case, played by Joel David Moore . Key Cast & Guest Stars Stewie Griffin :

: 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).