Seijuu Sentai Gingaman - EP39

Seijuu Sentai Gingaman is the 22nd season of the Super Sentai series.

Summary (with spoilers)
Saya becomes a giantess after getting hit by a Baruba X missile that was to be used to grow people giant to massage Daitanix's heart.

Trivia

 * This episode is one of the many episodes that wasn't adapted for Power Rangers Lost Galaxy.