In 2015, Underwood made her Broadway debut as Young Nala in "The Lion King" National Gazelle Tour. "Being part of such an iconic show was an absolute dream come true. More than that, I understood the importance of diverse representation in the arts," Underwood penned in an essay for "Backstage." "When I took my final bow, I knew I didn't want to stop acting. I asked my parents if we could go to Los Angeles for three months during pilot season. Those three months have turned into almost five years."
Underwood has since had appearances on shows like "Raven's Home," "The Good Doctor," "Family Reunion," "Criminal Minds," and most notably, "Little Fires Everywhere."