Complete story — includes the ending
The team captures a rogue doctor ( Brent Spiner ), who has a history of using stem cells to create more Alphas. The doctor himself is also an Alpha who makes sonar waves. He is said to having dolphin-like abilities. An Alpha bounty hunter ( Rebecca Mader ) enters the headquarters, kidnapping Rachel and terrorizing the others in a deadly game of cat and mouse. As the building begins to crumble from the sonar waves, the team attempts to make it out alive.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Alphas. HTML formatting and reference markers removed. · Content license