Susume! Godzilland  

Recommend! Godzilland, Susume! Gojiraland, すすめ! ゴジランド, すすめ！ゴジランド

The term "Advance!" refers to the four educational OVAs that were released on VHS in 1994 and 1996 by Gakken. These videos utilized Godzilla and other kaiju characters to educate children about hiragana, counting, addition, and subtraction concepts.