DuckTales (2017)

McMystery at McDuck McManor! (1x13)

Air date: May 25, 2018

Huey decides to throw a birthday party for Scrooge, despite everyone warning him that Scrooge hates celebrating his birthday. When Scrooge goes missing and the guests turn out to be his worst enemies, Huey decides to solve the mystery, unaware that the ghost of Scrooge's faithful butler, the long deceased Duckworth, is involved.