Season 1
01. When Can't You See Your Own Face in the Mirror?
A young man gets a dream job as producer for an entire unit of idols. There's just one catch, though: they're all in elementary school!
02. What says 'I'm Home' even though it's leaving?
Nina loses something very important to her, and the entire Third Entertainment Division comes together to help her get it back.
03. What Sinks in the Ocean and Doesn't Get Wet?
The Third Entertainment Division gets its first public exposure when Miria goes on an internet livestream.
04. What Flies With Broken Wings?
Momoka gets a request to be on a daytime television show, but the person they want to see isn't who she really is. Is she willing to change who she is to become a star?
05. What's Really High But Underground?
Risa gets her first shot at being in a movie. She works hard for the audition, but...
06. What Gets Cooler The Hotter It Gets?
Haru is given a chance to be a backup dancer, but refuses to wear the girly outfit. Is being an idol what she truly wants to do?
07. What Speaks Without a Voice?
It's a big day for Koharu as she goes to the zoo with her special friend, a pet iguana.
08. What Do You Put On To Be Beautiful?
Chie helps out a fashion show, but she's nervous about going on stage. What if she messes up and ruins things for everyone? Can the other girls help her fulfill her catwalk dreams?
09. What Has Its Face Come Out When it's Warm?
The producer takes the idols out for a relaxing summer vacation, but he's got something on his mind...
10. What Color Gets Bigger the More You Bring It Together?
The girls of the Third Entertainment Division perform their first song as they aim for their big debut.
11. What's the Difference Between Grown-Ups and Kids?
The Third Entertainment Division girls gets a new name for their unit and prepare for their debut, but Arisu has something on her mind...
12. What can't be seen when it's bright out, but can be seen when it's nighttime?
The senior idols will have a great concert, but the U149 girls won't be able to participate! Can an unusual encounter change this desolate scenario? And if it changes, will everyone be able to get the new idol group on stage in time?!