Sezon 4
Bölümler
1 Where's Gilbert 13 Oca 2006 2 Where I Saw it Last 13 Oca 2006 
3 Lost in the Jungle 13 Oca 2006 
4 Everyone's Best 20 Oca 2006 
5 Stronger Every Day 20 Oca 2006 
6 No More Training Wheels 20 Oca 2006 
7 Caillou the Road Builder 27 Oca 2006 8 Caillou's Building Adventure 27 Oca 2006 9 A House in the Sky 27 Oca 2006 10 Caillou Helps Out 3 Şub 2006 
11 Caillou the Firefighter 3 Şub 2006 12 Caillou to the Rescue 3 Şub 2006 13 Caillou and the Big Slide 17 Şub 2006 14 Caillou the Sailor 17 Şub 2006 15 Caillou and the Creepy Crawlies 17 Şub 2006 16 Snowflakes 24 Şub 2006 17 Caillou Shoots! He Scores! 24 Şub 2006 18 Caillou goes Tobogganing 24 Şub 2006 19 Caillou Plays the Drums 3 Mar 2006 20 Caillou's Marching Band 3 Mar 2006 21 Caillou Sings 3 Mar 2006 22 Show and Tell 10 Mar 2006 23 Caillou the Magician 10 Mar 2006 24 Caillou's Castle 10 Mar 2006 25 Caillou of the Antarctic 24 Mar 2006 26 Deep Sea Caillou 24 Mar 2006 27 Caillou in the Bayou 24 Mar 2006 28 Magnet Madness 31 Mar 2006 29 Caillou the Dinosaur Hunter 31 Mar 2006 30 Caillou the Astronaut 31 Mar 2006 31 Caillou the Librarian 7 Nis 2006 32 Caillou the Bookworm 7 Nis 2006 33 Caillou the Storyteller 7 Nis 2006 34 A Present for Mommy 14 Nis 2006 35 Caillou the Chef 14 Nis 2006 36 Caillou the Painter 14 Nis 2006 37 Captain Caillou 21 Nis 2006 38 The Loudest Noise 21 Nis 2006 39 Caillou's First Wedding 21 Nis 2006 40 Caillou Goes Shopping 28 Nis 2006 41 Caillou Goes Apple Picking 28 Nis 2006 42 Caillou's Halloween Costume 28 Nis 2006 43 Shoo, Shoo Bird, Fly Away! 5 May 2006 44 Caillou's Road Trip 5 May 2006 45 Caillou and the Dragon 5 May 2006 46 Caillou's Surprise 12 May 2006 47 A Surprise for Miss Martin 12 May 2006 48 A Surprise Sleepover 12 May 2006 49 Caillou the Patient 19 May 2006 50 Caillou the Police Officer 19 May 2006 51 Grandpa's Friend 19 May 2006 52 Caillou's Valentines 2 Haz 2006 53 Hello Spring! 2 Haz 2006 54 Caillou's April Fool 2 Haz 2006 55 A Sweet and Sour Day 16 Haz 2006 56 Caillou's Puppet Show 16 Haz 2006 57 Caillou's Collection 16 Haz 2006 58 Caillou Goes Caroling 22 Ara 2006 59 A Playschool Party 22 Ara 2006 60 Caillou's Christmas Eve 22 Ara 2006