Mumblebumble (partially found Canadian-Danish children's animated series; 1999)
From The Lost Media Wiki
Mumblebumble (often stylized as Mumble Bumble) is a Canadian-Danish animated television series created by Christian Skjøtt and produced by Egmont Imagination and CINAR (now DHX Media). The series lasted 65 five minute episodes and ran on CBC in Canada.
The series follows the adventures of a blue, happy-go-lucky hippopotamus (the titular MumbleBumble), and his friends, including Chic'o the chicken, and Greens the frog.
As of 2019, only one episode has been found: "A Cloudy Day".[1]