When did I.O.I Unit Countdown first air?

I.O.I Unit Countdown first aired on 08 August 2016.

How many seasons does I.O.I Unit Countdown have?

I.O.I Unit Countdown has 1 season.

TV Series

I.O.I Unit Countdown

Name: I.O.I Unit Countdown
Cast: Im Na-young, Kim So-hye, Kim Do-yeon, Zhou Jieqiong, Choi Yoo-jung

2016

I.O.I Unit Countdown was a special live broadcast that aired on Mnet on August 8, 2016, at 11:30 PM KST, right before the release of the I.O.I sub-unit's single album Whatta Man.

Cast: Im Na-young, Kim So-hye, Kim Do-yeon, Zhou Jieqiong, Choi Yoo-jung, Chung Ha

Cast

I.O.I Unit Countdown Cast

Im Na-young

Self

Kim So-hye

Self

Kim Do-yeon

Self

Zhou Jieqiong

Self

Choi Yoo-jung

Self

Chung Ha

Self

Jeon Somi

Self