It's vacation time in Whoville but The Grinch doesn't understand...what is a vacation? Determined to learn what the Whos seem so excited about, The Grinch decides to give a vacation a try! Unfortunately the mountains are too snowy, the beach is too sandy and the theme park is too loud... vacations just might not be something that Grinches do? Thankfully, his dog Max isn't letting the Grinch give up that quickly! Will there be some fun in the sun for everyone's favorite Grinch or is the Whos' favority grumpy neighbor doomed to stay home?