Ep 16. Methuselah's Gift

In Highlander: The Series season 4 episode 16, titled "Methuselah's Gift," Duncan MacLeod encounters an aging historian named Methos who is being pursued by a group of immortals seeking his antique knowledge. Methos reveals that he has discovered the long lost secret of the Fountain of Youth and has given himself the gift of eternal youth, causing the other immortals to covet his newfound power and hunt him down relentlessly.

Duncan must protect Methos and his secret, even as he grapples with the notion of eternal youth and the consequences that come with it. Meanwhile, an old friend of Methos's shows up to help, but their motives are unclear and their true intentions must be deciphered.

As the chase ramps up and the danger increases, Duncan must make difficult choices about his own mortality and the price of immortality. Will he be able to keep Methos safe and prevent the other immortals from obtaining his gift, or will the pursuit of eternal youth prove too powerful to resist?

Methuselah's Gift is a thrilling and thought-provoking episode that explores the complexities of immortality and the lengths some will go to achieve it. With heart-pumping action and intense character drama, it's a standout installment in Highlander: The Series that will keep viewers on the edge of their seats from start to finish.