Star Trek: New Voyages - Season 1 Episode 3 To Serve All My Days

A group of Klingons are planning to expand their territory, but while the crew is doing everything in their power to stop the invaders, one famous Lieutenant has to fight off his own demons when an old disease starts to age him at an alarming pace. Celebrating 40 years of Star Trek, Walter Koenig returns as Pavel Chekov, the best weapons officer the USS Enterprise will ever have.