Boom will make his return to SBS's 'Star King' after 3 years.

According to officials broadcasters, Boom participated in a recording of 'Star King' on January 12th, making his official reunion with Kang Ho Dong and Super Junior's Leeteuk. However, this doesn't mean that he has gained back his regular MC spot as the matter is still being discussed.

Boom involved in an illegal gambling controversy in 2013 which caused him to halt all of his broadcast activities to reflect for a year. His latest appearance was on E channel's 'Brave Writers'.