On the June 2nd episode of KBS' 'Yoo Hee Yeol's Sketchbook', a huge, amazing lineup guested to celebrate the show's 400th episode. The following are the artists invited: IU, 10cm's Kwon Jung Yeol, hyukoh, Melomance, Jo Hyun Ah, Lee Juk, Dynamic Duo, Yoon Jong Shin, and of course, the MC and the person responsible for continuously introducing both new and old artists to viewers, Yoo Hee Yeol.

To kick off the special episode, Yoo Hee Yeol started, "Musicians who are like family will be performing tonight," hinting at the great lineup. He also stated that there will be a 'Thank U Awards' ceremony for the artists as well. The featured artists sang some of their biggest hits but also collaborated with one another to gift the viewers and audience alike a show they'll never forget. Check out all the performances below!

Congratulations to Yoo Hee Yeol and his team! Here's to 400 more episodes!