From Bulbapedia, the community-driven Pokémon encyclopedia.
Sophie (Japanese: ソフィ Sophie) is a recurring character who appeared in the Pokémon anime. She is one of Professor Sycamore's assistants.
Sophie (to the right of Cosette)
Sophie first appeared in Lumiose City Pursuit!. She was called over by the professor when Ash arrived with an injured Froakie and decided to take care of him right away by putting him in a pod. Sophie is known for being an expert in healing Pokémon. Later, Team Rocket arrived in disguise as scientists, claiming to know about Mega Evolution. After the lab's Garchomp went out of control due to a collar James threw at her, Sophie stayed behind in the lab with Cosette.
In A Battle of Aerial Mobility!, Sophie presented the three Kalos starters to Serena who was about to start on her Pokémon journey. She also briefly appeared in A Shockingly Cheeky Friendship!, witnessing how Serena chose Fennekin as her starter.
In Mega-Mega Meowth Madness!, Sophie introduced Ash, Serena, Clemont, and Bonnie to a gluttonous Chespin staying in Sycamore's lab.
From Summer of Discovery! to Battling Into the Hall of Fame!, Sophie was one of the staff at Professor Sycamore's Pokémon Summer Camp. At the start of the camp, she showed Ash and his friends the cottage where they would be staying for the time being, and told them in which summer camp team they had been put in. Amongst her activities was judging the teams in the various activities. In Foggy Pokémon Orienteering!, she waited on the teams at a stamp table in the PokéEnteering competition.
Sophie briefly appeared again in Garchomp's Mega Bond!.
In Performing with Fiery Charm!, Sophie watched Serena competing in the Dendemille Town Pokémon Showcase alongside Professor Sycamore and Cosette.
Sophie briefly appeared again in Cloudy Fate, Bright Future! and All Eyes on the Future!.
In Master Class is in Session! and Performing a Pathway to the Future!, Sophie was watching Serena's performance in the Gloire City Master Class Pokémon Showcase alongside Professor Sycamore and Cosette.
In Battling With a Clean Slate!, Sophie handed out medals to Ash, his friends, Alain, Mairin, and their Pokémon for their heroic efforts against Team Flare.
In Till We Compete Again!, Sophie informed Professor Sycamore about an incoming call from Alain and Mairin.