An animated adaptation of the "Birth of Mewtwo" radio drama, which was later attached to the beginning of the first movie for the Japanese video release. A small 3 minute heavily edited version was released on the US version DVDs, while the full uncut version was made available on the Mewtwo Returns DVD.
| Creator | N/A |
|---|---|
| Actor | Rica Matsumoto, Ikue Otani, Daiki Yamashita |
| Country | Japan |
| Production | Shogakukan Production |