Lee Hwi Jae's adorable twins Seo Eon and Seo Jun, the lovely Choo Sarang, as well as SHINee's Minho will be appearing as guests on this week's 'Superman Is Back'!

On the upcoming October 28 episode of the KBS2 variety show, the show's fathers and children will be splitting into two groups, taking a special trip to Hallasan on Jeju island and Baekdu mountain on the North Korean border for the show's 5th anniversary!

Accompanying Si Ahn and Seungjae to Baekdu mountain are Seo Eon, Seo Jun, Lee Hwi Jae, and SHINee's Minho! Going along with William, Bentley, Na Eun, Gun Hoo, and Si Ha is Choo Sarang, to the top of Hallasan!

Catch a preview of this Sunday's 'Superman Is Back' above and below!