One very special Saturday, Dad-Cat decides to take Waffles and his sister Pancake to the big city to go to the science museum! While they're there, the kittens see extraordinary things, like dino-cats, hairballs in 4D, and even the planetarium. But as the kittens learn about constellations and Neil Pawstrong, they get separated from Dad-Cat. Oh no! Will the kittens be able to find their (possibly invisible) Dad-Cat? Or will they get stuck living in the museum and eating star tots and tuna melts fur-ever?!