[s4e25] The Critic In The Cabernet Access

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

: 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 Scottie Thompson as Kim Mortenson. Trivia & Errors [S4E25] The Critic in the Cabernet

: 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).

: 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. is the 25th episode of Season 4 of

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

: David Boreanaz previously made a cameo in Family Guy , and Stewie's appearance in Bones was considered a creative "exchange" between the shows. Plot Overview : Parallel to the case, Brennan

: 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.