'Master Key' cast news: Super Junior's Heechul and Eunhyuk, NU'EST's JR, Seo Jang Hoon, Lee Sang Min, GOT7's Jackson and Jinyoung for episode 6

"Master Key" airs Saturdays on SBS. YouTube/SBS

The upcoming episode for SBS' newest variety show "Master Key" reveals a change in lineup once again. The lineup for the show's sixth episode will introduce new faces to join the fixed cast members on the show.

Go Won Hee, Super Junior members Eun Hyuk and Hee Chul, Seo Jang Hoon, Lee Sang Min, GOT7 members Jackson and Jinyoung, NU'EST member JR and AOA member Jimin will be appearing in the sixth episode. They will be alongside the fixed members Jun Hyun Moo as well as Wanna One members Kang Daniel and Ong Seong Woo.

The upcoming episode will also serve as a reunion of sorts for the two Wanna One members and JR. The three of them were contestants in the second season of the hit audition program "Produce 101."

Several of the celebrities who previously joined the show were Kang Ha Na, Jo Bo Ah, Lee Soo Geun, Kim Jong Min, IKON member Bobby, Astro member Cha Eunwoo, Gugudan member Kim Sejeong, Super Junior M member Henry, B1A4 member Jinyoung, VIXX member Hong Bin, Red Velvet member Wendy, Winner member Song Minho, Seventeen member Min Gyu, EXO members Chan Yeol and Baek Hyun, SHINee member Key, BTOB member Seo Eun Kwang, Jeong Sewoon, Twice member Sana, EXID member Hani, Infinite member Sungjong, and GFRIEND member Yerin.

"Master Key" has the players participate in psychological games to determine which one of them has, as the name of the show implies, the Master Key. The games vary from treasure hunts to dance battle relays. The key is given to different members of the cast, with one cast member getting a "chance" card with a hint, based on viewer votes; and each cast member will become the equivalent of a game character in the game.

Seventeen member Mingyu received the most votes in a previous episode, and therefore had a hint as to who has the Master Key, as did EXO member Baekhyun, who received it in the program's first episode.

"Master Key" airs Saturdays at 6:10 p.m. KST / 5:10 a.m. EDT on SBS.

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