Ep 15. The Devil in the Deep Blue Sea

"The Greatest American Hero" season 2 episode 15, titled "The Devil in the Deep Blue Sea," follows the adventures of Ralph Hinkley, who has been given a special suit with various superpowers by aliens. In this episode, Ralph and his partner Bill Maxwell are tasked with investigating an unusual undersea phenomenon where there have been sightings of strange lights.

As they investigate, Ralph and Bill discover that an underwater laboratory is conducting experiments on sharks, altering their behavior and causing them to become violent. The scientists in the lab have created a powerful underwater machine that emits a frequency that can control the sharks, but Ralph and Bill must find a way to stop the machine before it falls into the wrong hands.

Along the way, they meet a marine biologist named Andrea, who is also investigating the strange lights and suspects that the lab is up to something nefarious. Together, the three must navigate the treacherous waters and outwit the scientists to put a stop to their dangerous experiments.

Throughout the episode, Ralph must also grapple with his own doubts and fears about using his powers, especially when it comes to potentially harming innocent creatures like the sharks. This adds an element of moral complexity to the episode, as Ralph and his team must find a way to stop the lab without causing harm to anyone or anything in the process.

Filled with thrilling action sequences and stunning underwater visuals, "The Devil in the Deep Blue Sea" is a classic episode of "The Greatest American Hero" that is sure to keep viewers on the edge of their seats from start to finish.