"The M.A.S.S. Device, Part 5: G.I. Joe 5 part mini series "A Stake in the Serpent's Heart"

'A Stake in the Serpent's Heart' The M.A.S.S. Device Pt. 5 | G.I. Joe: A Real American Hero | Mini Series | S01 | E05 | Full Episode Part 5 of 5. Destro returns to Cobra Mountain with Scarlett as his prisoner. As he takes control of the operation from Cobra Commander, the stakes are raised for the Joe team to stop them once and for all with an all-out assault on Cobra Mountain!