Three Delivery Season 1 Episode 17 Underworld Rising

A neighbour kid, Jason, cooks up a new recipe and accidentally offsets the balance between the Underworld and Chinatown. When Sue, Sid and Tobey go out on their deliveries, they stumble upon a strange portal through which an entire army of boar soldiers are entering Chinatown. Nana informs the kids that the boars are the servants of the Underworld.