First episode (2009): "Michael Scott Paper Company" (Season 5, Episode 23)

Last episode (2013): "Finale" (Season 9, Episode 22)

What she's up to now (2020): Ellie starred in Unbreakable Kimmy Schmidt, which got her multiple SAG and Emmy nominations. She's also voice acted in a bunch of shows and movies, like The Secret Life of Pets, The Lego Batman Movie, Smurfs: The Lost Village, We Bare Bears, and Sofia the First.