Ranked #8 of 8 in Season 4•−0.3 vs season avg
Russell uses a robotic dog to explore an abandoned mine and discovers some unusual evidence.
Ronny LeBlanc
Himself
Mireya Mayor
Herself
Bryce Johnson
Himself
Russell Acord
Himself
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"Tunnel of Terror" is episode 3 of Expedition Bigfoot season 4. It scored 7.9/10 from 34 votes, ranking #8 of 8 episodes this season (season average 8.2). It aired on September 13, 2023.