seaQuest DSV (1993)

S02E11 Dead End

Henderson, Lucas, Brody, and O'Neill find themselves caught in a powerful underwater vortex that drags their shuttle deep below the ocean surface. As they navigate through the turbulent waters, they are thrust into a labyrinth of ancient caves, where danger lurks at every turn. The team must work together to escape this treacherous environment and uncover the secrets hidden within the depths.