Sister's Slam Dunk

Episode 1 (2x1)

Air date: Feb 10, 2017

The cast members are introduced through a meeting with music producer, Kim Hyeong-seok, who will be the producer for their girl group project. Each member was individually interviewed by him where they revealed their ambition and reason for participating in the program. They also bring items and songs that represent them as part of their introduction to the other members.