Catch! Teenieping () is a South Korean animated children's television series produced by SAMG Entertainment. The series is written by Ryōta Yamaguchi, who wrote the scripts for Sailor Moon Sailor Stars, Cutie Honey Flash, Digimon Data Squad, DokiDoki! PreCure and The Vision of Escaflowne, and also unlicensed Korean adaptation of the French animated series Miraculous Ladybug. The first season of the series aired on KBS2 from 19 March 2020, to 13 June 2021. The second season of the series aired from 22 September 2021, to 16 March 2022, under the title Twinkle Catch! Teenieping () on JEI TV. The third, fourth, fifth, sixth and seventh seasons of the series arrived on JEI TV.

Plot

The series revolves around Romi, a pretty normal girl at first glance, who is actually the princess of the Emotion Kingdom, a magical kingdom. She came to Earth to catch all the Teeniepings: cute but very mischievous creatures that all have a unique power attached to an emotion or a concept they represent. They like to wreak havoc across all of Harmony Town and try everything to avoid being caught. To catch them, Romi has to transform into a magical princess with the help of some Teeniepings. The people of Harmony do not know what happened, so the princess must keep her identity as secret as possible. Only the people closest to her can know her identity as a princess.

Season 1 (2020–21) Comprising 52 episodes and airing in 2020 and 2021, it establishes the show's identity. It revolves around the Emotion Teeniepings, accidentally released on Earth by Romi, who goes on a mission to catch them and bring them back, accompanied by the Royal Teeniepings. The second part of the season also revolves around the pranking villain Giggleping and the mysteriously disappeared Happying.

Season 2: Twinkle (2021–22) Composed of 26 episodes, airing in 2021 and 2022, it revolves around the Jewel Teeniepings, special Teeniepings residing in the Jewel Forest, who are released on Earth by a mysterious new villain, Maskping. To take care of the new, very immature Teeniepings accompanying Romi, Heartsping gets in charge of the Teenieping School, a new school opened to all the Jewel Teeniepings.

Season 3: Secret (2022–23) Composed of 26 episodes and aired in 2022 and 2023, it revolves around the Key Teeniepings, key-themed Teeniepings that used to reside in the mysterious Mystic Town before it was invaded by Jennie, who released all the fairies on Earth for Romi to catch. And while the messy and cute Royal Key Teeniepings all help Romi in her mission, they also encounter a mysterious Teenieping, locked in a box...

Season 4: Dessert (2023–24) Composed of 26 episodes, it aired in 2023 and 2024 and revolves around the Dessert Teeniepings, dessert-themed inhabitants of the colorful Dessert Town. However, a strange phenomenon occurs when all the Dessert Teeniepings are released on Earth: after one Teenieping, Puffping steals the Magic Sugar Ball. And now, Romi will have to accomplish her mission as fast as possible; otherwise, the Cake Palace will inevitably collapse!

Season 5: Star (2024–25) Composed of 26 episodes and aired in 2024 and 2025, it revolves around the Star Teeniepings, constellation-themed Teeniepings inhabiting the Space Star Village/Celestial. The question is: Will Heartsping, Romi, and their new royal friends find the Star Teeniepings scattered on Earth and restore their home?

Season 6: Princess (2025–26) Composed of 26 episodes and aired 2025 and 2026, it revolves around the Princess Teeniepings, princess/royal-themed Teeniepings inhabiting the Princess Teenieping House. To make matters even more mysterious, a Legend Teenieping appears in a mirror before Romi. A mysterious teenieping sends all the princess teeniepings to earth. Together with the new Royal Teeniepings, a grand mission begins to catch the Princess Teeniepings!

Characters

Main Romi () (Korean: Lee Ji-hyun and Eun-hye Singing in the movie, English: Catalina Natasha (Season 1), Bommie Catherine Han (Season 2)) is the princess of the Emotion Kingdom, who became a normal girl of Harmony Town. When a freed Teenieping is around, she secretly transforms into a magical princess to catch them. Heartsping (Korean: Jo Kyung-yi, English: Regina Tiscareño (Season 1), Nancy Kim (Season 2)) – The Royal Teenieping of love, whom is Romi's companion. She appears throughout every season as a main character, deeply cares about her friends, and is always filled with love. She is Romi's personal Teenieping.

Supporting characters Maya () (Korean: Jang Ye-na, English: Alexis Song (Season 2)): She is one of Romi's best friends, along with Marylou, as she understands and supports her. Nice and a little shy, Maya is known for her sweet and kind personality. Marylou () (Korean: Kim Chae-ha, English: Brenda Song (Season 1), Dami Lee (Season 2)): She is one of Romi's best friends, along with Maya, as she understands and supports her. She is a very athletic girl with a tomboy personality. She is a mixed race from the Democratic Republic of Congo. Sarah () (Korean: Eunah Kim, English: Anna Paik (Season 2)) is Romi's older cousin and can be a little bossy, strong-minded, and courageous. Is the one who opened the Heartrose Bakery, a mother-like figure to Romi, and takes care of her. Ian () (Korean: Kim Hyeon-uk (Season 1–2), Choi Seung Hoon (Season 3 and onwards), English: Mike Yantzi (Season 2)) is a young man who desires to be a pastry chef, following in his father's footsteps. Kyle () (Korean: Um Sang-hyun and Eunah Kim (child), English: Pato Ortiz (Season 1), Matt Anipen (Season 2)) is the son of a famous and wealthy conglomerate who wishes to become a pastry chef. Jun () (Korean: Kim Myung-jun, English: Enrique Maddox (Season 1), Josh Schwartzentruber (Season 2)) is a handsome young man who aims to own his own bakery one day. Jennie () (Korean: Kang Eun-ae, English: Anna Paik (Season 1)): She is a princess of the Emotions Kingdom. Introduced in Season 2 as Romi's cousin and heart-sister, a kind and innocent girl, she actually turns out to be the one who released all the Teeniepings since the beginning. After revealing her true colors, she becomes the main antagonist of Season 3, but then comes back to her senses and is given a second chance by everyone, allowing her to become nice again. Jennie had quite a troubled childhood, indeed: the disappearance of her parents made her progressively jealous of Romi, who had all the privileges, while she was terribly missing her own parents. Therefore, she, along with her personal Teenieping Onlyping, made many plans to make her life miserable. Fortunately, Romi and everyone allowed her to make a fresh start and get past her terrible past. Onlyping (Korean: Lee Myung-Hee, English: Jillian Robbins (Season 2)) – she is the Jewel Teenieping of dedication, wielding the Tahitian black pearl who appears from Twinkle Catch! Teenieping onwards. Jennie's personal Teenieping; she debuts in "Another Princess," and as Maskping in "Twinkle Twinkle, Jewel Teeniepings." Dr. Monziu () (Korean: Hong Bum-ki, English: Josh Schwartzentruber (Season 2)): He is the scientist and inventor from the Emotions Kingdom. He creates the various tools Romi uses during her Teenieping-catching missions, as he knows everything about the Kingdom's magic. Noah – Noah, full name Noah Calem Celeste XIII, is a prince of the North Pole Planet. Introduced in Star Catch! Teenieping, as a transfer student who had joined Mr. Dayne's class in "Share the Light, Giverping," he has kept a close eye on Romi until he eventually reveals his true identity to her at the end of "Romi Became a Teenieping". He has been trying to find his personal Teenieping, Princeping, after receiving his golden crown that fell from the sky. By the time he reunites with him, he accompanies Romi and the Royal Star Teeniepings to go to his home planet to find and rescue Auroraping.

Royal Emotion Teeniepings Heartsping – The Royal Teenieping of love, whom is Romi's companion. She appears throughout every season as a main character, deeply cares about her friends, and is always filled with love. She is Romi's personal Teenieping. Dadaping – The Royal Teenieping of rightness; he is studious, smart, and organized. Cloud-themed, he often helps the team with his large knowledge and inventive ideas. Gogoping – The Royal Teenieping of courage; he is sporty, brave, and energetic. Star-themed, he likes challenges and acts impulsively, which sometimes makes him lose touch with reality. Chachaping – The Royal Teenieping of hope; she has a calm personality. Nature-themed, she loves nature and flowers, and never loses hope during difficult times. Lalaping – The Royal Teenieping of joy; she is energetic and cheerful. Music-themed, she likes to sing very loudly to express her feelings and lift the team's mood. Happying – The Royal Teenieping of happiness and sunshine-themed; she maintains a happy, upbeat personality and loves to play with bubbles. It is later revealed that she was the Teenieping who transformed into Giggleping. She made a reappearance in "Princess Catch! Teenieping".

Royal Jewel Teeniepings Joahping – The Teenieping of kindness, who is warm and sensitive. Wielding the Emerald, she is always ready to help her friends and always stays nice to everyone. Teeheeping – The Teenieping of laughter, possessing a tomboy personality. Wielding the Ruby, she likes to play and get into crazy activities to have good times with her friends. Trustping- The Teenieping of trust, he is cute and naïve. Wielding the Sapphire, he is faithful and innocent and easily believes anyone, and loves to eat chocolate balls.

Royal Key Teeniepings Okeydokeyping -The Teenieping of peace, with a gentle, caring personality. Winter-themed, she is thoughtful and sociable, as she likes things to stay peaceful. Nanaping – The Teenieping of passion, full of devotion and confidence. Sunshine-themed, she has strong passions but short patience, which sometimes makes her sloppy. Trueping – The Teenieping of honesty, with a cute, whiny type of personality. Cloud and Star-themed, he likes to be honest with himself and with others, which can sometimes create uncomfortable situations.

Legend Key Teeniepings Luckyping – The Teenieping of luck, she is locked in a box for most of the season, and stays under Romi's protection. She likes to take part in the group's activities, but is often brought down by her excessive bad luck. Once freed, she reveals her true nature.

Royal Dessert Teeniepings Shashaping – The ice cream-themed Teenieping of optimism, she has an optimistic, understanding, and positive state of mind at all times. She deeply considers her friends and always listens to what others have to say. Fluffyping – The cotton candy-themed Teenieping of innocence, she is very kind to everyone, as she believes nothing is fundamentally bad. However, this way of thinking will sometimes cause her to have accidents. She reappears in season 6. Jellyping – The jelly-themed Teenieping of fun. She has a lively, quirky personality and is never tired. She does not think much before acting and quickly forgets her problems, as she always seeks the most fun activities.

Legend Dessert Teeniepings Sweetping – The sweet/smoothie/cake themed Teenieping of sweetness. Her powers endure for eternity, as she wields the ancient force of sweetness. Tangyping – The sour/smoothie/cake themed Teenieping of refreshment. Her powers endure for eternity, as she wields the powerful force of sourness.

Royal Star Teeniepings Shimmerping – The gentle and emotional Teenieping of healing, she is gentle and filled with kindness; her genuine compassion is evident, as is her deep sensitivity to small things. Sparkleping – The confident and lively Teenieping of wishes. She is confident and filled with fearlessness. She is quite tomboyish and often seeks the spotlight, but she also encourages others to celebrate their individuality.