Defense of the Beta Site (Star Trek: Helena episode)

Defense of the Beta Site is the season one finale of Star Trek: Helena.

Plot
When word gets out that the Xindi are planning an invasion of the Federation in the near future Senator Kinsey urges the President to keep the bulk of the Federation forces at Earth for the oncoming attack and not care about all the other planets that are apart of the Federation but when the President refuses he dispatches the USS Helena to investigate and do what it takes to keep the Beta site from falling to the Xindi.

Chapters

 * Prologue/Ambushed
 * Chapter One/Attack plan
 * Chapter Two/Invasion of Beta site
 * Chapter Three/Defense
 * Chapter Four/Destroy Beta Site

Main Cast

 * Zac Efron as Captain Jason Tyson
 * Charlize Theron as Commander Susan Core
 * Jensen Ackles as Lieutenant Commander Jones Jensen
 * Miley Cyrus as Lieutenant Jamie Mitchell
 * Chris Evans as Ensign Howard Mason
 * Alyssa Milano as Ensign Elizabeth Leigh
 * Taylor Swift as Lieutenant Julia Watson
 * Liv Tyler as Doctor Samantha Tanner
 * Natalie Portman as Lieutenant Commander Jane Kal
 * Ariana Grande as Captain Jamie Franklin

Guest Stars

 * Kathy Segal as Rear Admiral Sasha Tyson
 * Kate Mulgrew as Vice Admiral Kathryn Janeway
 * Mitch Pileggi as Major Steven Caldwell
 * Daniel Craig as Captain Typhuss James Halliwell