Join British hosts Ollie and Josh as they embark on a quest to uncover the truth behind Shake Shack’s rumored "secret menu" ...

Join us as we dive into a special Shake Shack experience, featuring the elusive 'quad burger' that's not on the regular menu.

Shake Shack meal with burger and drink - Scott Olson/Getty Images You may not have noticed as you're digging into crinkle-cut fries or biting into a burger, but no two Shake Shacks are alike, and with ...