[s4e25] The Critic In The Cabernet -

: 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. [S4E25] The Critic in the Cabernet

: 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. : Brennan's father, played by Ryan O'Neal, makes

: 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). : The team investigates human remains discovered inside

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

: 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 .