Situation Critical S01E13 - Running Out of Air

Priz AS-28, a miniature submarine of the Russian Navy, becomes entangled in sunken fishing nets and the cables of a hydrophone array at a depth of 190 m in Berezovaya Bay off the coast of the Kamchatka Peninsula. 2 days later, the submarine was successfully freed with no loss of life, thanks to the aid of a British remotely operated vehicle.