<Li> Song Il - kook was announced on June 25 , 2014 to be joining the cast of Superman along with his triplet sons . Their first episode will air on July 6 . </Li>
<Li> Song Il - kook was announced on June 25 , 2014 to be joining the cast of Superman along with his triplet sons . Their first episode will air on July 6 . </Li>
when did the triplets join the return of superman
when did the triplets join the return of superman
July 6
July 6