Jimmy Kimmel Live! Season 8 Joaquin Phoenix, “Science Bob” Pflugfelder, Primus Season 8, episode 133 Joaquin Phoenix, “Science Bob” Pflugfelder, Primus September 24, 2010 45 min Previous episode Zach Galifianakis, Nicole “Snooki” Polizzi, Trombone Shorty Next episode Sigourney Weaver, Tom Bergeron, Randy Houser