Subscribe to watch a different episode each week! In Pl-Pl-Plane, Frog and the Bug Band are headed for a concert, but Fly is missing. They fly Frog’s plane to the jungle to find Fly, but Frog loses the letters PL from his plane and must search through the jungle to find them. After some crazy jungle adventures they find Fly and the missing PL and fly off to their concert. In Mail Mix Up, Duck helps Kangaroo delivers letters to his WordFriends, but he forgets Kangaroo’s instructions and delivers the wrong letters to everyone. Duck discovers that there are a lot of words that end with the sound “ail” and that they can be used in place of one another.