Roar - Season 1 - Eps 8: The Eternal
When Longinus goes mad, Conor is forced into a symbolic marriage, with Fergus's daughter Molly, in order to stop Longinus from destroying the world.
About Roar

Title: Roar
First Air Date: 1997-07-14
Last Air Date: 2000-05-28
Status: Canceled
Rating: 6.2/10 (from 18 votes)
Language: EN
Seasons: 1
Total Episodes: 13
Network: FOX
Genres: Sci-Fi & Fantasy
Production Companies: Universal Television
Synopsis
Roar is an American television show that originally aired on the Fox network in July 1997. In the year AD 400, a young Irish man, Conor, sets out to rid his land of the invading Romans, but in order to accomplish this, he must unite the Celtic clans.
Cast

Heath Ledger
Conor

Lisa Zane
Queen Diana

Sebastian Roché
Longinus

Vera Farmiga
Caitlin

John Saint Ryan
Fergus

Alonzo Greer
Tully