The anticipation of Big Bang's appearance on SBS 'Running Man' is heating up! 

According to an SBS rep, the Big Bang members are currently filming for 'Running Man' in Gangwondo and fans were quick to spot them and take some photos.

SEE ALSO: Min Hee Jin under fire after her alleged derogatory KakaoTalk messages about NewJeans and fans exposed

The Big Bang members were seen dressed in Spartan-like outfits along with Running Man's original Spartan, Kim Jong Kook, garnering much interest in what the episode will bring. 

Meanwhile, this will be the second time for Big Bang to appear on 'Running Man' since 2012. Their first appearance was a big hit and they're expected to bring their charismatic yet dorky charms once again to the race.

The episode featuring Big Bang will air on June 7.