The first episode, in which Grandma teaches a young child not to litter by exploring the water cycle, is now available online.
The Mottainai Grandma anime is distributed on the official Kodansha eBook Channel Youtube page, and the series will be dubbed into 6 languages (Japanese, English, French, Spanish, Chinese, and Hindi).
Voice actress Keiko Toda provides the voice of Grandma in the Japanese version.