"Carson's a grumpy old man," Blake Shelton told PEOPLE in Las Vegas recently. ... Shelton, 46, lovingly compares Daly, 49, to "the two old men on The Muppets that are just jawing the entire time." ...

Now the grumpy old men are working from the editing booth. The duo exclusively released their version of Muppets Most Wanted. It's part of the bonus features on the Blu-Ray/DVD release (out Aug. 12).