City Beneath the Sea
The gate of Castle Grayskull, closed
left-pointing gray power sword right-pointing gray power sword
a TV screen
S1:E51

MU051

October 24, 1983
Gray TV button Gray TV button
A television, with sections on the right reading from top to bottom: Episode Number, Episode Code, Original Air Date, and Stills.
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Writer
Larry DiTillio

Director
Gwen Wetzler

Snapshot
Ships of the Eternian navy have been mysteriously vanishing at sea. Man-at-Arms and Prince Adam put themselves in danger on the waves to solve the mystery, whose solution involves a legendary underwater city, a missing princess, several monsters - and Mer-Man!

Heroic Warriors
Man-at-Arms, King Randor, Cringer (Battle Cat), Prince Adam (He-Man), Orko (PSA only)

Evil Warriors
Mer-Man

Other Characters
Eternian naval officer, giggling women, Aquatican soldiers and citizens, Shalandor, morbos, Princess Nami, unnamed monster

Vehicles
Eternian ships, shark-shaped Aquatican ship

Plot summary
We look on in horror as an Eternian ship is sucked into a swirling vortex of doom! Fade to the royal palace, where King Randor is listening to his advisor tell him about all the ships disappearing out on the seas. When Man-at-Arms tries to give his opinion, he keeps getting interrupted by feminine laughter. Two giggling ladies of the court are nearby, being chased by Cringer and a blindfolded Prince Adam. Adam blunders about and, ignoring the warnings of his pet, finally lays hands on someone's shoulders, crying "Gotcha!" What he has is a very disappointed and irate King Randor, who tells his son to get the heck out so he can try to do his kingly duties protecting Eternia.

Later, a more understanding Man-at-Arms (who knows that Adam's philandering is all for show - probably) explains the vanishing vessels that are vexing the king, and Adam proposes to accompany Duncan on a seaborne mission to get to the bottom of the problem (and, as it happens, the sea!). After convincing his father to grant permission, and over the strenuous objections of Cringer, Adam sets off over the Harmony Sea with his cat and Duncan on a mostly remote-controlled vessel that looks exactly like the last one we saw getting wrecked. The similarity proves prophetic, since just after spotting a beautiful underwater city on their sonoscope, the heroes feel their ship being pulled under by a whirlpool. Adam changes himself to He-Man to release Duncan from some wreckage that has him pinned, but the pair (along with Battle Cat) are nevertheless pulled under the waves!

They regain consciousness in an underwater chamber and are met by an unfriendly group of fishlike guards. The fish men have a double-seahorse crest on their shields which makes Duncan realize they are in the legendary city of Aquatica. Biding their time, the heroes allow themselves to be led at weapon-point through richly decorated and bejeweled halls to an impressive throne, where they meet a green-skinned old man who accuses these surface people of attacking the Aquaticans, necessitating the retributive sinking of the Eternian vessels. Before He-Man or Duncan can defend themselves or get any further explanations, a horn signals the arrival of the city's ruler - it's Mer-Man! It seems he has filled the governmental void left by a missing princess; and he has designs on all of Eternia.

Now usually, one minion of Skeletor would not pose much of a problem for He-Man and his friends. Unfortunately, with Mer-Man's position comes ownership of the Pearl of Power, giving him the ability to easily restrain the trio of surface dwellers. Mer-Man puts the tied-up Eternians into Aquatica's arena to face the morbos, a giant lobster with a zappy trident-tipped tail. Looking out at the sea of glazed Aquatican faces populating the arena, our heroes realize that Mer-Man is using the Pearl to put everyone under a hypnotic spell of obedience, and playing on their ingrained suspicions of surface men. The morbos proves a challenging enemy, but in the end is no real problem for He-Man & co. - they leave the critter on its back on top of a squirming Mer-Man and force their way out. They soon find themselves cornered by a pack of angry, armed fish men, however, and it seems there is nowhere left to turn.

Luckily, the wall they're backed up against squirts squid ink over the guards, and the elderly chamberlain Shalandor, who was watching the heroes in the arena and has decided to assist, sneaks them out through a secret door. He leads them to an underwater transport and explains that he needs their help overthrowing Mer-Man, from whose Pearl powers he is thankfully magically immune. To make the coup successful they will need to recover Princess Nami, who Shalandor happens to know was captured by Mer-Man and is being guarded by a powerful monster in a cave nearby. He-Man and Duncan agree to go face the monster while a swimming-averse Battle Cat takes a powder in the ship with Shalandor.

With the episode runtime getting on, He-Man makes quick work of the hulking monster, who has been lurking near the bell-jar-encased princess. Leaving the monster buried underneath the rubble of the collapsed cave ceiling, the heroes rush the princess back to Aquatica's throne room, knock down Mer-Man, and wrest the Pearl of Power from his fins. The fishy citizens are released from the spell and pleased to have their princess returned; all seems resolved, until Mer-Man makes a break for it! He runs for the whirlpool ray which has been the cause of all the ship sinkings, reverses the controls, and then destroys them with a blast from his trident. He-Man arrives and snatches the villain, but it's too late: the whirlpool will now destroy Aquatica! Time for the power of Grayskull to pull out a farcical fourth-quarter victory. He-Man grabs hold of the outer rail of the city and does laps, spinning the whole outer ring widdershins to the whirlpool, thus cancelling its effect. Everyone is saved! And He-Man is only a little bit dizzy. In a closing audience, the princess humbly apologizes to the heroes on behalf of her kingdom, for making assumptions about surface people and murdering all those sailors. Oopsie!

End with a Joke: N/A (unless you count Orko's humorous appearance and papal claim of infallibility at the end of the PSA)

Memorable lines

Animation Loops

hemanTransformations
One full

PSA
Brought to you by Man-at-Arms and Orko
Man-at-Arms gives us the old "don't judge a book by its cover" lesson (see MU012's PSA), in this case referencing the Aquaticans' blanket suspicion of surface dwellers. Orko magically appears to add that it's what's inside a person that really counts. In a rare admission, Man-at-Arms tells the Trollan he is "absolutely right."

Connected episodes
Mer-Man's in charge!: This episode is my strongest candidate so far for this category; naturally enough, since I invented the category based on this episode. But looking back, I was able to assign it to a couple of other episodes (the landmark MU006, which comes up a lot, and MU032, which has a somewhat similar plot and very similar ships to this one).
Games and gladiators: Though the sequence in the Aquatican arena makes up only a few minutes of the story's runtime, for now I'm considering that long enough to qualify this episode in the "Games and gladiators" category.
Skeletor-less episodes in Season 1

Firsts/Lore

Commentary