seaQuest DSV (1993)

S02E12 Meltdown

As extensive farming and mining activities in the ocean lead to rising temperatures in the South Atlantic, an enormous prehistoric crocodile is freed from its frozen slumber. This ancient creature, once trapped in ice, now emerges into a changed world, posing a significant threat to both the environment and human life. The consequences of humanity's actions unleash a terrifying force from the past, leading to chaos and danger as the team must confront this monstrous predator.