Now that Jamba Juice's $1 oatmeal deal has ended, hungry diners will need to look elsewhere for breakfast on a budget. Thankfully, Denny's has stepped in with a promotion that's too good to pass up. Tomorrow, the casual dining chain will offer its Original Grand Slam for free from 6 a.m. to 2 p.m. News of the free breakfast combo (two eggs, two sausages, two bacon strips, and two pancakes) debuted during a Super Bowl spot yesterday. To see the humorous commercial and get more details, keep reading.