S4, E4: Next, the Squirrels watch the bugs on the tree and put on a play to catch the differences. The Squirrels watch the play, but when they watch it again, the bugs are different. They are now a banana and a clown. The Squirrels see it right away as they are getting better. Now it's time to play ultimate spot the difference. The Squirrels go outside the Clubhouse with Duggee and watch all the animals take formation. We see a complete match on the right and left sides.