As if we need another reason to watch the upcoming Girls' Generation episode of 'Running Man', two more surprise guests have been confirmed for an appearance in their episode!

A producer for 'Running Man' told Sports Today, "The 'Running Man' episode to air this week on July 5 will have all of the Girls' Generation members. And this will be revealed during the broadcast, but two surprised guests will be appearing as well. It's a secret as to who they are, but as soon as they appear, viewers will be very surprised."

We wonder who these surprise guests are! Any guesses?

The producer continued, "The Girls' Generation episode is being edited into one episode for the July 5 broadcast. The editing isn't finished yet but since this is Girls' Generation's first appearance as a whole, you can look forward to it."

SEE ALSO: Five Times Girls' Generation performed at the Most Unique Venues

Their episode airs soon on July 5 at 6:10pm KST! And check out the teaser below if you haven't done so already!