It is time to celebrate the dads of the jungle, and Jim Panzee is about to learn exactly where his grumpy attitude comes from. Today is Father's Day, and Jim's dad is completely thrilled. He loves having an entire day where he gets to be the center of attention and relax. Curious about family traditions, Jim asks his father what he usually does for Grandpanzee on this special holiday. The answer is not what anyone expects. It turns out that Jim's grandfather thinks the whole celebration is just a bunch of silly nonsense. Join your favorite primate family for a hilarious holiday story full of surprises. You will laugh out loud as Jim discovers that being grumpy might just run in the family. This funny adventure is the perfect way to celebrate the fathers, grandfathers, and father figures who make your life completely unforgettable.