On April 13, reports revealed the duo filmed for the KBS reality show and met up with Lee Dong Wook's family. A rep stated, "TVXQ are currently in the midst of filming 'Superman is Back'. They met with Lee Dong Wook's kids, and their episode is expected to air in May."
Fans have already seen a clip of TVXQ's Yunho with Lee Dong Wook's youngest son Si Ahn, who's also known by his nickname Daebak among viewers.
In other news, TVXQ recently made a comeback with "The Chance of Love". Stay tuned for updates!