When the evil wizard Gargamel chases the tiny blue Smurfs out of their village, they tumble from their magical world into New York City.
Dimwitty and Clumsy get rid of the fire truck in 'Fire Brigade on Foot', then in 'The Prettiest Pebble in the World', Gargamel leaves magic pebbles in the forest to hypnotize the Smurfs. (S4, ep 2)
Chef makes some delicious cat food for Azrael in 'Smurfalicious Catfood', and then in 'Waffle Thief', Dwayne loves Lily's waffles and keeps wanting more. (S4, ep 3)
Meteorite finds a night club in the forest in 'Disco Smurf', then in 'Dwayne's New Toy', Diaper Daddy is looking for a more loving family after being betrayed by Handy. (S4, ep 4)
Papa Smurf accidentally gives Baby Smurf a growth potion in 'Big Baby', then in 'Don't Smurf a Sound', Gargamel gives Azrael supersonic ears and suddenly, the Smurfs can't make a noise. (S4, ep 7)
Farmer hires Yippy, Willow's plant, to watch over his crops in 'Farmer's New Pet', and then in 'Spider Smurf, Papa Smurf makes a revitalizing potion that turns him into a spider! (S4, ep 8)
Baby Smurf travels through time in 'Smurfily Gmurfy', and in 'Smurf T for Thief', someone has stolen the Blue Moon festival cake, and to find the culprit, Chef has to lead an investigation. (S4, ep 9)
We find out who can scare Storm in 'Scary Stories', then in 'The Smurf Who Lost His Shadow', Hefty's shadow wants to be free, but once they're separated, they're both in danger. (S4, ep 11)