Park Si Hoo showed off his athleticism on set.

While filming the third episode of drama "Cheongdamdong Alice," Park Si Hoo was shown exercising at a fitness center. He was seen making a few yoga poses.

Park Si Hoo said, "I have been doing yoga for a while but the setting was that I wasn't very good at it so I had to be a little comical. I always make sure to do some weight training or walk around at night."

He continued, "I'm so happy that viewers are responding positively to the drama and it's going to become even more interesting and I can't wait to see it as well."

Park Si Hoo also took off his shirt and showed off his very toned body and drew a lot of viewers' attention.

The third episode will be aired on Sunday.