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In addition to brief teaser clips of Seo Un & Seo Jun, Seungjae, Ro Hee, and SuAh, SeolAh, & Daebak, there was a clip of a new child, by the name of Lee Joon!

The teaser showed a never-before-seen home, with a baby boy just woken up in a tent in the living room! His name is Lee Joon, and while we see brief glimpses of his mother's face (she seems to be a non-celebrity), his father's face has been blurred out.�

Want to know whose adorable son Lee Joon is? Tune in to 'Superman is Back' this coming Sunday to find out!