Penumbra voiced by Julie Bowen has appearances in the following DuckTales (2017) episodes:
- What Ever Happened to Della Duck?! (S2 Ep 7)
- The Golden Spear! (S2 Ep 11)
- What Ever Happened to Donald Duck?! (S2 Ep 17)
- The Richest Duck in the World! (S3 Ep 23) (voice)
- Moonvasion! Part II (S2 Ep 25)
- They Put a Moonlander on the Earth! (S3 Ep 9)
Fun Fact: The word penumbra’s definition is the shadow cast by the earth or moon over an area experiencing a partial eclipse.