Have you seen the latest Disney XD promo for this week’s episode “The Fight For Castle McDuck!” The episode will air on Monday 11/23 at 7 pm, but you can watch it anytime Monday on DisneyNow if you have Disney XD as part of your subscription.

Scrooge’s sister Matilda is best known for her role in the comics. Most notably for the stories that include her in Don Rosa’s “The Life and Times of Scrooge McDuck” and the expanded stories that center on Scrooge’s life. Check out the clip below.