Justice League (2001)

S3E15 The Creature

Title: The Entity Plot: The crew of the Seaview receives an urgent mission to locate a man-made organism that has escaped into the Pacific Ocean. This rapidly evolving creature has its own motives and begins to target the crew, seeking to assert control over them. As the situation escalates, the team must race against time to understand the creature's intentions and prevent it from executing its sinister plan.