Star Trek (1966)

S2E6 The Doomsday Machine

Title: The Obliteration Device Plot: The starship Enterprise teams up with its battered counterpart, the USS Constellation, to confront a formidable extraterrestrial weapon that threatens to annihilate planets. This devastating machine is on a direct course toward the core of Federation space, and the two ships must join forces to devise a strategy to neutralize the threat before it reaches its target. With time running out, the crew faces challenges that test their resolve and ingenuity in the face of imminent destruction.