 After tracking down the Xindi weapon in " The Council " , the weapon was launched in " Countdown " with Enterprise in pursuit . While Captain Archer leads a boarding party onto the weapon in the final episode of third season , " Zero Hour " , Enterprise is commanded by T 'Pol ( Jolene Blalock ) who directs it to a nearby sphere and Commander Tucker modifies the ship 's deflector dish to use it as a weapon to destroy the sphere . Despite the interference of several Sphere Builders , the modifications destroy the sphere and set off a chain reaction which destroys all the other spheres within the Expanse . Enterprise rendezvous with Archer 's away team and it is revealed to the crew that Archer didn 't make it off the superweapon before it was destroyed . The heavily damaged ship is returned to Earth inside a Xindi @-@ Aquatic vessel . Upon arrival , the crew find that the events of the Temporal Cold War have overtaken them and the vessel is sent back in time to an alternative 20th century where Nazi Germany has successfully invaded the United States . After the crew defeat the alien Vosk ( Jack Gwaltney ) and recover Captain Archer , the ship is returned to its correct time by Temporal Agent Daniels ( Matt Winston ) in " Storm Front " . 
