The Lost City of Yore (S02E18)

S02E01 The Smurf Who Couldn't Say No S02E02 The Adventures of Robin Smurf S02E03 The Cursed Country S02E04 S-Shivering S-Smurfs S02E05 Sister Smurf S02E06 The Black Hellebore S02E07 Revenge of the Smurfs S02E08 The Three Smurfketeers S02E09 Heavenly Smurfs S02E10 It Came From Outer Smurf S02E11 The Sorcery of Maltrochu S02E12 Squeaky S02E13 The Kaplowey Scroll S02E14 The Goblin of Boulder Wood S02E15 Gormandizing Greedy S02E16 Waste Not, Smurf Not S02E17 Johan's Army S02E18 The Lost City of Yore S02E19 Magic Fountain S02E20 The Imposter King S02E21 For the Love of Gargamel S02E22 The A-Maze-Ing Smurfs S02E23 The Haunted Castle S02E24 Smurfs At Sea S02E25 One Good Smurf Deserves Another S02E26 The Blue Plague S02E27 The Last Laugh S02E28 The Raven Wizard S02E29 The Ring of Castellac S02E30 The Sky Is Smurfing, The Sky Is Smurfing S02E31 Turncoat Smurf S02E32 Return of Clockwork Smurf S02E33 The Littlest Giant S02E34 Bubble, Bubble, Smurfs In Trouble S02E35 Smurf Van Winkle S02E36 The Prince and the Peewit S02E37 The Enchanted Baby S02E38 Clumsy Smurfs the Future S02E39 Sleepwalking Smurfs S02E40 Smurf Me No Flowers S02E41 The Good, The Bad, And The Smurfy S02E42 A Mere Truffle S02E43 The Stuff Dreams Are Smurfed Of S02E44 The Box of Dirty Tricks S02E45 Papa's Wedding Day