[s4e25] The Critic In The Cabernet -

: The resident "squintertern" for the case, played by Joel David Moore .

: Brennan's father, played by Ryan O'Neal, makes an appearance as Brennan discusses her parenting plans. [S4E25] The Critic in the Cabernet

: David Boreanaz previously made a cameo in Family Guy , and Stewie's appearance in Bones was considered a creative "exchange" between the shows. : The resident "squintertern" for the case, played

: 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. played by Ryan O'Neal