1 episode 2 1 episode 4 1 episode 6 1 Lost World Episode 2 Companion Episode 22 Animal Knowledge Competition Episode 42 xixi Chat-Interview with Lai Dou Episode 63 Rainforest Treasure Hunting Episode 4 Battle Storm Episode 24 Award-winning Episode 44 Xi Chat-Interview with Teacher Goat Episode 64 Goodbye Rosen Island Episode 5 Courage Episode 25 Sick Episode 45 Xixi Chat-Interview with Xixi Episode 65 Rosen Island Animal Knowledge Episode 6 Gulushan Adventures Episode 26 Little Red Flower Episode 46 Swan Star Awards Ceremony 66 Pets Episode 28 Maman Health Care Class Episode 48 Crocodiles Come Episode 68 The disappearance of Dr. Maman Episode 9 When sowing Episode 29 Mother's Day Episode 49 Horror Swamp Episode 69 The Mystery of Electric Shock Episode 10 The Mystery of Attacking Birds Episode 30 has its own characteristics. 1 No.5 1 Episode Alien No.71Episode Mystery of Ancient Paintings No.32 12, Episode 52, Episode Alien Episode 72, Episode 04, Episode 54, The Eagle Catches the Chicken Episode 74, Episode 74, Dangdang's Heart1 5 episodes of truth 35 episodes of haunted school 55 episodes of encounter with gorillas 75 episodes of clever little panda 65438+ 1 episode 5438+07 cannibalism game 1 episode 37 episode of artificial intelligence 1 episode of missing adventures 77 episode of true and false teacher 1 episode of 18 cannibalism game 2 episode 38 episode of missing adventures 2 episode 78 true and false teacher 1. Discovery class episode 1, episode 20, Meteor and Wish, episode 40, Xixi Handicraft Exhibition, episode 60, Braving the Kanto, episode 80, the next episode of Discovery class.