← Previous Next → 4x10 Acolyte 4.25/5 (12 votes) First Aired: Dec. 09, 2011 on SyFy Summary: Trouble from Hollow Earth insurgents leads to a reunion... and an unanticipated betrayal.

Series Main Characters

• Dr. Helen …
• Dr. Will Z…
• Henry Foss
• Kate Freel…
• Bigfoot
• John Druitt

• Nikola Tesla
• Ashley Mag…

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Guest Stars   [no credits found]