Happy Unhappiness Day To You (S05E26)

S05E01 Stuck On Smurfs S05E02 Puppy S05E03 Papa's Day Off S05E04 The Smurflings S05E05 He Who Smurfs Last S05E06 Baby's First Word S05E07 The Masked Pie Smurfer S05E08 Sassette S05E09 Papa's Puppy Prescription S05E10 Poet's Writer's Block S05E11 Smurf A Mile In My Shoes S05E12 Dreamy's Pen Pals S05E13 Papa's Flying Bed S05E14 Mud Wrestling Smurfs S05E15 The Sand Witch S05E16 Kow-Tow, We Won't Bow S05E17 Bigmouth's Friend S05E18 Wild And Wooly S05E19 The Dark-Ness Monster S05E20 The Grouchiest Game In Town S05E21 Queen Smurfette S05E22 Marco Smurf And The Pepper Pirates S05E23 Educating Bigmouth S05E24 Brainy Smurf, Friend To All The Animals S05E25 The Comet Is Coming S05E26 Happy Unhappiness Day To You S05E27 The Great Slime Crop Failure S05E28 Papa's Family Album S05E29 Love Those Smurfs S05E30 Mutiny On The Smurf S05E31 Things That Go Smurf In The Night S05E32 Alarming Smurfs S05E33 Smurfette's Rose S05E34 The Mr. Smurf Contest S05E35 Have You Smurfed Your Pet Today? S05E36 Unsound Smurfs S05E37 All Work And No Smurf S05E38 Gargamel's Time Trip S05E39 They're Smurfing Our Song S05E40 Brainy's Smarty Party