Burger lovers are out of luck as Red Robin has sold out of its recently announced Bottomless Burger Passes, which were extremely difficult to purchase due to the chain's website crashing as it ...

Red Robin fans jumped at the opportunity to buy a pass granting them bottomless burgers all May, but the promotion encountered some hiccups, including the burger chain's website crashing and some ...

It sounds the proverbial deal too good to be true—a $20 spend at Red Robin gets you something called a Bottomless Burger Pass, good for 31 meals at the fast-casual burger chain, should you commit to a ...