If you have a Discover Credit Card (or any other Discover account that is eligible for their rewards program), and you have at least $20 of rewards available in your account, they are running a special promotion on Red Robin gift card, you use $20 of your rewards to receive a $25 Red Robin gift card (plastic card by mail or by e-mail). This is highlighted when you go through the various gift card redemption options. Screenshot below:

I do not know when this offer expires.