Lee Joon tries dancing for the first time in 15 years... sweating over the Spartan training of his school teacher

Actor Lee Joon will be trying his hand at dancing for the first time in 15 years. On the 301st episode of MBC variety show "Omniscient," which will be broadcast at 11:10 p.m. on the 1st, Lee Joon will be asked, "I'm going to dance for the first time in 15 years."