Friends and staff have gathered to celebrate Kim Sook's 30th anniversary! This special event calls for lit candles — and stockings pulled over faces.

Calm Down Man, Lee Soo-hyuk and Young K come together to celebrate Kim Sook. From brain teasers to amusement park shenanigans, let the games commence.

Everyone works hard to gift Kim Sook her present. From thrilling amusement park rides to a wailing wall — this party is mighty taxing on the body!

After her siblings’ performance, Kim Sook returns the favor. Amidst laughter, tears and a surprise guest, the party reaches its inevitable denouement.

Mid-vacation, our screwball heroes receive an urgent call. A popular K-pop idol has gone missing! Our heroes must retrace her steps and save the day.

Our screwball heroes are close to saving the missing idol! But the final clue is in the basement of the idol dorm — where there are rumors of ghosts.

The screwballs tumble into a reimagined "The Wizard of Oz," becoming its beloved characters. What adventures await them in this new rendition?