However, they were able to become good friends, after they lost the Poké Puff contest they entered together. The line going down from the top of her shoes to down to the soles is one straight line, while on her game counterpart's sneakers, they are two separate lines.

It is a different shade of blue, it now has pockets that are horizontal rather than diagonal, the white collar is slightly smaller, the gold trim on the bottom is now just a small stripe, and there is now just a single top button instead of the original two. This section deals with the main outfits worn by the alternate version of Ash who appeared in the twentieth, twenty-first, and twenty-third Pokémon movies. When Bonnie found out that Squishy was going to Prism Tower, as she was able to sense where it was going, Serena left with her and Clemont as they want to catch up with it while Ash and Alain went to go looking for Mairin.

Ash's new clothing closely follows the same color scheme he has always had: red, blue, yellow, green, black, and white. Serena tracked Pancham down and discovered it wanted to perform too, after noticing that he steals items from others as props for his routines. His backpack is green and black with one pocket and a C-shaped Poké Ball design similar to the one on his hat. Hearing her friend coming to the main lobby at the Pokémon Center, Serena tries to talk to Ash but he just walks by her and their friends as he gets ready to go outside. After Ash and Greninja apologize to everyone for worrying them, Serena was about to give an apology to her friend for getting upset with him but he stopped her before she had the chance to reply as he wanted to thank her for talking and knocking some senses into him, which was also his apology to her from before.

She also has some skills in Rhyhorn racing due to her mother being a racer, because of the upbringing she possesses a unique charm when it comes to them and they nearly all gravitate towards her without question. Before leaving, Serena tells Ash how glad she was that she came with him as she tells him that he is someone she wants to be. When she arrived at the Santalune Gym, Serena found Ash in the middle of a Gym Battle and was getting ready to approach him but Alexa notices her then ask if she can help her.Serena told her mother that if her mother won, she would come back home with her to resume her training for Rhyhorn Racing. After Professor Sycamore and Mairin arrived, Serena went with them to Lysandre Labs to get Mairin's Chespin out of there, and with Team Rocket's help, they get there a lot quicker. Serena tripped and hurt herself when a Poliwag startled her as she was scared until Ash arrived as he used a handkerchief to dress her wound. Ash's Pokémon the Series: Ruby and Sapphire outfit is similar to the one Red wears in Generation III, most notably, his sleeves. The backpack is blue-green, with one pocket, black straps, and a light green, curved stripe on it, resembling a Poké Ball design.

However, he keeps the hoodie closed, possibly because he no longer keeps Badges pinned to the inside. Once she arrived in Santalune City, Serena wonders how Ash will react when he sees her again after being apart for a few years and becomes filled with excitement as she could not hardly wait. a flashback of Ash when he was younger shows him wearing a red and yellow sleeveless t-shirt with blue shorts, and black and red shoes. He also wore a pair of glasses with palm tree leafs on both sides, golden building earnings, a white top piece hat, and a palm tree and building on his face while holding a flag on one hand.

After thwarting Team Rocket's attempt to capture Eevee, she added it to her party as her third Pokémon. Explaining the Playful Pokémon reason for crashing the Performance and have been inspired by Shauna, Serena decided to pursue into becoming a Pokémon Performer and become the next Kalos Queen, which her friends give their full support for. As Clemont used his Bunnelby to trap Team Rocket in a ditch, Serena and Bonnie arrived to rescue Ash. In addition to her kindness, she is very helpful, always concerned about what her friends are doing, especially Ash, and tries her best to keep their spirits up. Afterwards, Serena gave her friends each a bag of cookies as a way of saying thank you to Ash for all his efforts for her, especially when they were little.

But when Ash recovered from his cold and blasted Team Rocket off, she apologized to Jimmy for not telling the truth. However, Serena and her friends find out that Fennekin was in danger because the salon people turned out to be crooks that were stealing peoples Pokémon. Serena was able to relate to Chloe when she was telling her Sylveon's past as they became very good friends with one another.After picking up her brush that she uses to groom her Pokémon as she accidentally left it at the dressing room and overhearing Amelia talking to the famous Pokémon Judge named Palermo, Serena was asked if she was satisfied on the way she performed. Eventually, Serena entered her second Pokémon Showcase, this time competing against Miette and Jessie, only this time, despite a mishap with Serena's dress, due to Jessie's indirect interference, she came out victorious and earned her first Princess Key. a flashback of Mimey winning a trip to the Alola region via lottery shows Ash wearing a green T-shirt with a print design of this game sprite and blue shorts. After making their way to the Kalos league, Serena showed her support for Ash all the way, who made it all the way to the finals.