This week's 'Running Man' concept with much anticipated guest Big Bang, is now revealed.

According to the program, Big Bang are battling against Running Man members in a time slip race where they can go back to the past to complete missions in limited time.

Thus, we see Big Bang travel back to Roman-era wearing Spartan costumes while Running Man members (except Jong kook) are taken back to Joseon Dynasty. It is said that the two teams are going to play thrilling race and create tension in order to change their fate.

Meanwhile, Big Bang's episode on Running Man airs on Sunday at 6:10PM. Don't miss it!