Lorelei/Anime/Main series

Lorelei's sole appearance in the was in The Mandarin Island Miss Match. Her name was changed to Prima in the English dub of the episode. According to 4Kids, this was to fit the amount of syllables; the English name "Lorelei" is three syllables while the Japanese name "Kanna" is only two. In the anime, Prima is considered a Pokémon Master.

While on Mandarin Island South, learned that Prima will be giving a lecture and  demonstration there. He also revealed that she has a house on the island and trains there during her sabbaticals. and had a chance encounter with Prima while sitting down at a café. was very excited, as Prima was her idol. Ash enthusiastically challenged Prima to a battle, but she didn't notice him and instead gravitated towards Misty's Togepi. Prima did, however, invite them to her lecture and demonstration. She watched Ash's match against a. Prima then stepped in with her after Ash's Charizard was being disobedient, allowing Ash to recall it back to its. Ash and the others went on to attend Prima's demonstration at the Mandarin Stadium and watched her defeat three Trainers in a row. The group then visited her home. After Ash insisted once again, Prima finally agreed to a one-on-one battle. Ash sent out and Prima selected her, and Ash went on to lose the match. Prima said that Ash had the potential to become great, but needed to find more of his inner strength, since he had forgotten to connect with his Pokémon.

Just then, arrived on the scene, but Prima sent out her  and dealt with them swiftly. Afterwards, she wished the group well and informed Ash that the closest Gym was the Trovita Gym. 