Traditionally, the cast is given clues to guess the identity of the episode's guests, and once the guests appear and are introduced, they and the cast are given a set of puzzles to solve.


The Brainiacs (2015)
Overview
Creator
Top Billed Cast
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Lee Jang-won
Himself (156 episodes)

Jeon Hyun-moo
Himself (156 episodes)

Ha Seok-jin
Himself (156 episodes)

Kim Ji-seok
Himself (156 episodes)

Tyler Rasch
Himself (156 episodes)

Park Kyung
Himself (156 episodes)

RM
Himself (156 episodes)

Sakura
(1 episode)

Nako Yabuki
(1 episode)