Lee Hwi Jae's�twins�Suh Un�and�Suh Joon�will make viewers smile with their adorable curiosity on the upcoming episode of�KBS 2TV's 'Superman is Back'!

SEE ALSO: Lee Hwi Jae and his twins enjoy a picnic in preview cuts for 'Superman is Back'

The twins' uncle visited their apartment with a flashlight in hand. Suh Un and Suh Joon were fascinated by the light coming from the flashlight, and Suh Un started chasing after the light. He couldn't stop giggling and falling as he chased after it to the point that Lee Hwi Jae told him, "Suh Un ah! Don't get too excited!"�to calm down his son, who seems to take after his dad.

Stay tuned for this cute scene this Sunday at 7 PM KST!