Jang Bum Joon talked about his experience filming 'Superman is Back' with his kids.

The singer-songwriter featured as a competing guest on the March 30th installment of 'Immortal Song', and he discussed appearing on joining 'Superman is Back' as a new member with his family. Jang Bum Joon expressed, "It's definitely difficult because I have two kids now. The kids have major separation anxiety syndrome, and they keep looking for their mom."

When asked to compare 'Superman is Back' and 'Immortal Song', the singer responded, "'Superman is Back' is definitely more difficult. 'Immortal Song' is sweet in comparison."

Jang Bum Joon and his kids were revealed as the newest family to join 'Superman is Back'.