Kung Fu Panda: Legends of Awesomeness (2011)

S1E21 In With the Old

While the Furious Five are away on a mission, the Jade Palace faces an unexpected assault. With no one else available to defend it, Po turns to a group of seasoned Mahjong enthusiasts for assistance. This unlikely alliance of elderly players must come together to help protect the palace from the impending threat, proving that age and experience can be powerful assets in a crisis.