Self

Self (1 episode)

Mike Rowe (voice) (1 episode)

Self (1 episode)

(18 episodes)

Creator

Self (1 episode)

Narrator (10 episodes)

Host (6 episodes)

Creator

Narrator (4 episodes)

Host (4 episodes)

Self - Guest (1 episode)

Writer (1 episode)

(41 episodes)

Himself - Host (32 episodes)

Self - Narrator (voice) (18 episodes)

Jim (1 episode)

Himself (Narrator) (201 episodes)

(63 episodes)

Narrator (30 episodes)

Himself - Narrator (8 episodes)

Creator

Meter Maid (voice) (1 episode)

(2 episodes)

Self (30 episodes)

Self (1 episode)

Self (1 episode)

Self (1 episode)

Self - Narrator (1 episode)

Himself - Host (162 episodes)

Executive Producer (148 episodes)

Producer (92 episodes)

Himself - Host (22 episodes)