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 [1] 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".[2]