Meanwhile, Smurfette, Nat, and Handy are having fun playing leapfrog with their friends the frogs out in the forest. Baby Smurf watches the three adult Smurfs and seems so energized that Smurfette says that he wants to play leapfrog too. Handy says that it won't be long before Baby can hop like "the best of us". Then Baby sniffs something in the air which starts to make him sick enough to cough. Handy thinks that Baby's coming down with the cold, but as Baby coughs again, he starts to hop into the air, with Nat saying it's not like any cold he's ever seen. Smurfette says that they need to take him to Papa Smurf right away, but before they can take Baby anywhere, he coughs again and again, and with each cough he makes bigger leaps, with the three adult Smurfs now chasing after him. Baby lea