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Appearances
Big Brother's Big Brain
Main cast, played by Dermot O'Leary
- Episode 1x01: Episode 1 (May 22, 2006)
- Episode 1x02: Episode 2 (May 29, 2006)
- Episode 1x03: Episode 3 (Jun 5, 2006)
- Episode 1x04: Episode 4 (Jun 12, 2006)
- Episode 1x05: Episode 5 (Jun 19, 2006)
- Episode 1x06: Episode 6 (Jun 26, 2006)
- Episode 1x07: Episode 7 (Jul 3, 2006)
- Episode 1x08: Episode 8 (Jul 10, 2006)
- Episode 1x09: Episode 9 (Jul 17, 2006)
- Episode 1x10: Episode 10 (Jul 24, 2006)
- Episode 1x11: Episode 11 (Jul 31, 2006)
- Episode 1x12: Episode 12 (Aug 7, 2006)
- Episode 1x13: Episode 13 (Aug 14, 2006)