Adventures of the Little Koala (partially found original Japanese audio of anime series; 1984-1985)

The opening to the anime.

Adventures of the Little Koala (コアラボーイコッキィ Koala Boy Kokki) is a anime directed by Takashi Tanazawa. It is produced by Tohokushinsha Film Corporation and aired originally in Japan from October 4, 1984 to March 28, 1985 on TV Tokyo for a total of 52 episodes. The anime was later picked up, dubbed in English and French by the Canadian company Cinar Films and aired in United States from June 1, 1987 to April 2, 1993 on Nickelodeon.

Only the opening and a promo of the original Japanese version have surfaced and no episodes or even other information of it survived.

Promo for anime at 6:29 including the Japanese voice actress of Roobear/Kokki.