Season
- Season 1 2016-01-08
- Season 0 2017-01-23
Episode
- Episode 1: Is It True You're a Gyaru?
- Episode 2: Is It True That You're a Rich Girl?
- Episode 3: Is It True That You're an Otaku Girl?
- Episode 4: Is It True That You Can't Help Moaning?
- Episode 5: Is It True That You're a Big Sister?
- Episode 6: Is It True That Underwear Is Embarrassing?
- Episode 7: Is It True About the Boy at the Pool?
- Episode 8: Is It True You Have Horrible Bed-head?
- Episode 9: Is It True You're Scared of Holes?
- Episode 10: Is It True You Come to School After Being Out All Night?
- Episode 11: Is It True That Butts Are Culture?
- Episode 12: Is It True You're Friends Forever?
Please Tell Me! Galko-chan Season 1 Is It True That You're a Big Sister?
Three high school girls with different perspectives discuss the kinds of secrets you can't tell boys.
