Gosselin played Jenny Finley in Lord Finn for which she won an award for Best Child Actress at the Sunny Side Up Film Festival in 2020. She appeared in a recurring role in FBI before appearing in FBI: Most Wanted in which she recurred in the first season and became a regular in the second. According to Deadline Hollywood, Gosselin will become a guest star. In August 2019, at the age of ten, Gosselin was reported to have joined the cast of Netflix's We Can Be Heroes, the standalone sequel to The Adventures of Sharkboy and Lavagirl in 3-D. Gosselin stated she enjoyed filming and stunt work, saying it was "challenging for sure, but it is so fun". Netflix released the film on December 25, 2020. Gosselin received praise for her performance. Chicago Sun-Times praised her "winning performance", and RogerEbert.com said the role would "hopefully" be the "breakthrough for a long career". In the first four weeks of its release, the film was watched by 44 million households. In January 2021, Netflix ordered a sequel. In March 2021, Gosselin was cast in feature film Trans Los Angeles in a segment of the film titled Period. She will play a shy 12-year-old girl. In December of that year, Gosselin was announced as a lead actress in Apple TV+ series Surfside Girls alongside Miya Cech. The former stars as Sam, who, with her best friend Jade (Cech), meets a ghost and hopes to break a curse.
