|Mezame yo, Kaiō|
|Olympus Pretty Cure episode 1|
"Awaken, Ocean King"
|Written by||Cure Shabon|
Mythos I: Awaken, Ocean King (目覚めよ、海王 Mezame yo, Kaiō) is the first episode/Mythos and premiere of Olympus Pretty Cure.
- Shimizu Akira's heart connects with the Amethyst Horoscorb, allowing her to transform into Cure Neptune for the first time.
- Shimizu Akira / Cure Neptune
- Kuwakubo Michie
- East Star Aldebaran
- Hirai Shinya (voice only, as DJ Rodney Sparks)
- Other members of Seibara Middle School's art club
- Kataina (Bracken plant)
- The "Ocean King" in the title actually refers to Akira/Cure Neptune, as the Japanese name for the planet Neptune is Kaiōsei (海王星), which literally means "ocean king star/planet".