WITH THE SUPERWEAPON AT EARTH'S DOORSTEP, ARCHER AND T'POL INITIATE A TWO-PRONGED PLAN TO SAVE THE PLANET AND STOP THE SPHERE BUILDERS, ON A REBROADCAST OF "STAR TREK: ENTERPRISE," FRIDAY, SEPT. 10

"Zero Hour" -- With Earth in sight, Archer, Hoshi, Reed and a small team race to intercept the charging superweapon, sneak past the Xindi Reptilian onboard and disarm it from within, but while the gambit could save humanity, it may cost Archer his life, on a rebroadcast of STAR TREK: ENTERPRISE, Friday, Sept. 10 (8:00-9:00 PM, ET/PT) on UPN. Allan Kroeker directed the episode from a script by Rick Berman and Brannon Braga. (Originally broadcast 5/26/04)

Back in the Delphic Expanse, T'Pol and Enterprise attempt to obliterate a key Sphere in the region before the furious Sphere Builders tear the ship apart and the region's degenerative effects kill the crew.

Captain Jonathan Archer: Scott Bakula
Chief Engineer Charles Tucker III: Connor Trinneer
Vulcan Sub Commander T'Pol: Jolene Blalock
Lt. Malcolm Reed: Dominic Keating
Ensign Travis Mayweather: Anthony Montgomery
Ensign Hoshi Sato: Linda Park
Dr. Phlox: John Billingsley
Xindi Sloth: Rick Worthy
Xindi Humanoid: Tucker Smallwood
Reptilian Commander: Scott MacDonald
Sphere Builder Woman: Josette Di Carl
Sphere Builder Primary: Ruth Williamson
Sphere Builder Presage: Mary Mara
Reptilian Lieutenant: Andrew Borba
Reptilian Soldier: Bruce Thomas
Reptilian Crewman: Ken Taylor
Daniels: Matt Winston
Sharan: Jeffrey Combs

RATING: TVPG-LV