Ultra Q S01 E17 The 1/8 Project

"The classic series that launched the Ultraman franchise!"

After being trampled beneath the maddening rush of a crowded Tokyo train station, Yuriko discovers crowds of people volunteering to participate in a new experiment called the 1/8 Project. When Yuriko enquires into the nature of the project, she is accidently reduced to 1/8 her normal size.