One memorable moment that highlights Toph's character arc in "Avatar: The Last Airbender" is when she confronts her insecurities about being vulnerable and relies on her friends for help, showing growth in her development from a fiercely independent character to someone willing to accept support. Another significant episode is when Toph participates in the metalbending tournament, showcasing her mastery of a new skill and her determination to push beyond her limits. Overall, Toph's journey throughout the series is marked by moments of strength, vulnerability, and growth that endear her to fans and make her one of the most beloved characters in the show.
