Self

(voice)

Bill Nye (1 episode)

Bill Nye (1 episode)

Bill Nye the Science Head (voice) (3 episodes)

Self (1 episode)

Brimford (voice)

Self (2 episodes)

Self (6 episodes)

Executive Producer (6 episodes)

Creator

Chris

Upton Sinclair

Bill Nye (voice)

Bill Nye (voice) (1 episode)

Bill Nye (voice) (1 episode)

Self (1 episode)

Self (1 episode)

Self (1 episode)

Bill Nye (1 episode)

Self (1 episode)

(1 episode)

Bill Nye (4 episodes)

Self - Special Guest (1 episode)

Bill Nye (1 episode)

Self (1 episode)

Bill Nye (voice) (1 episode)

Self - Host (25 episodes)

Self (1 episode)

Self

Self (1 episode)

Self

Self (2 episodes)

Self (1 episode)

Bill Nye (2 episodes)

Self - Contestant (3 episodes)

Self - Audience Member (1 episode)

Self (3 episodes)

Self (1 episode)

Self (1 episode)

Bill Nye (1 episode)

Self (5 episodes)

Self (8 episodes)

Self

Self (8 episodes)

Self (32 episodes)

Bill Waldie (3 episodes)

Self (13 episodes)

Self - Host (8 episodes)

Self - Guest Judge (1 episode)

Self (50 episodes)

Mr. Stone (1 episode)

Self (1 episode)

Self (5 episodes)

Science Teacher

Bill Nye the Science Guy (1 episode)

(1 episode)

Self - Host (100 episodes)

Writer (100 episodes)

Producer (100 episodes)

Creator

Self (1 episode)

Himself

Science Guy (27 episodes)

Self / Various (286 episodes)