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Appearances
Are You Smarter Than a 5th Grader?
Guest cast, played by Sierra McCormick
- Episode 2x01: Katie Barbard (Oct 4, 2007)
- Episode 2x02: Jason Ramsey (Oct 5, 2007)
- Episode 2x03: Chris Washington, Whitney Pollett (Oct 11, 2007)
- Episode 2x05: Tony Hawk (Nov 8, 2007)
- Episode 2x06: Kellie Pickler (Nov 15, 2007)
- Episode 2x07: Tyler Van Buren, Ashley McCohn (Nov 29, 2007)
- Episode 2x08: Pat Germano, Levi Line, Karl Schaub (Dec 6, 2007)
- Episode 2x09: Karl Schaub, Alan Masarsky (Dec 13, 2007)
- Episode 2x10: Todd Greco, Jenny Hirsch (Dec 20, 2007)
- Episode 2x11: Billy Bush (Jan 10, 2008)
- Episode 2x12: Lauren Nelson, Esther Jackson (Jan 17, 2008)
- Episode 2x13: Bryan Galdos, Esther Jackson, Neal Roden, Kailyn Gottfried (Jan 24, 2008)
- Episode 2x14: Kailyn Gottfried, Travis Proffit (Jan 31, 2008)
- Episode 2x15: Meghen Miles (Feb 7, 2008)
- Episode 2x16: Dara Everett, Lisa Lee (Mar 13, 2008)
- Episode 2x17: Katherine Wolf, Vince Bernard (Mar 20, 2008)
- Episode 2x18: Andrew Bunnin, Tommy LaBuda (Mar 27, 2008)
- Episode 2x19: Jason Kravets, Jimmy Phan, Laura Johnson (Apr 3, 2008)
- Episode 2x20: Phil Pfister, Jill Mills (Apr 17, 2008)