The featurette titled "Growing Up With Pen15" on Hulu provides a glimpse into the hit series, Pen15, and its portrayal of the challenging phase of adolescence. The video explores the experiences and emotions of the show's creators, Maya Erskine and Anna Konkle, as they play their middle school-aged selves. It highlights the relatable aspects of growing up, resonating with viewers who can relate to the awkwardness and ups and downs of teenage life.