Honestly, any topic, no matter how mundane, can be massaged into a fantastic essay. I knew of a girl who wrote an essay with the first line of “I hate mac and cheese!” It was considered so good at her T20 that it was mentioned in the welcoming ceremony speech. That being said, when you say that you plan to write about how your favorite TV show helped you to grow as a person, my immediate reaction is that you might think of a better topic, that is based upon doing rather than watching, how what you have already done shapes your aspirations to do more.