Season 1
S1.E1 ∙ A Hero for EarthS1.E2 ∙ Rain of TerrorS1.E3 ∙ Beast of the TempleS1.E4 ∙ Skumm LordS1.E5 ∙ Deadly RansomS1.E6 ∙ The ConquerorS1.E7 ∙ Last of Her KindS1.E8 ∙ The Dead SeasS1.E9 ∙ Tree of LifeS1.E10 ∙ Volcano's WrathS1.E11 ∙ Littlest PlaneteerS1.E12 ∙ A World Below UsS1.E13 ∙ Plunder DamS1.E14 ∙ Meltdown SyndromeS1.E15 ∙ Smog HogS1.E16 ∙ Polluting by ComputerS1.E17 ∙ Don't Drink the WaterS1.E18 ∙ Kwame's CrisisS1.E19 ∙ Ozone HoleS1.E20 ∙ The Ultimate PollutionS1.E21 ∙ Population BombS1.E22 ∙ Mission to Save Earth: Part 1S1.E23 ∙ Mission to Save Earth: Part 2S1.E24 ∙ Two Futures: Part 1S1.E25 ∙ Two Futures: Part 2S1.E26 ∙ Heat Wave
Season 2
S2.E1 ∙ Mind PollutionS2.E2 ∙ The Garbage StrikesS2.E3 ∙ Domes of DoomS2.E4 ∙ Send in the ClonesS2.E5 ∙ The PredatorS2.E6 ∙ The ArkS2.E7 ∙ Isle of Solar EnergyS2.E8 ∙ The Coral KillerS2.E9 ∙ The Big Clam-UpS2.E10 ∙ An Inside JobS2.E11 ∙ The Fine PrintS2.E12 ∙ Off Road HogS2.E13 ∙ Trouble on the Half ShellS2.E14 ∙ StardustS2.E15 ∙ The Blue Car LineS2.E16 ∙ Birds of a FeatherS2.E17 ∙ Summit to Save Earth: Part 1S2.E18 ∙ Summit to Save Earth: Part 2S2.E19 ∙ Losing GameS2.E20 ∙ A Twist of FateS2.E21 ∙ The Great Tree HeistS2.E22 ∙ Scorched EarthS2.E23 ∙ Hate CanalS2.E24 ∙ Radiant AmazonS2.E25 ∙ Fare Thee WhaleS2.E26 ∙ Utopia
Season 3
S3.E1 ∙ Greenhouse PlanetS3.E2 ∙ A Creep from the DeepS3.E3 ∙ The Deadly GlowS3.E4 ∙ A Perfect WorldS3.E5 ∙ The Dream MachineS3.E6 ∙ Bitter WatersS3.E7 ∙ The Guinea PigsS3.E8 ∙ OK at the Gunfight CorralS3.E9 ∙ Canned HuntS3.E10 ∙ Hog TideS3.E11 ∙ A Formula for HateS3.E12 ∙ If It's Doomsday, This Must Be BelfastS3.E13 ∙ The Night of the Wolf
Season 4
S4.E1 ∙ A Mine Is a Terrible Thing to Waste: Part 1S4.E2 ∙ A Mine Is a Terrible Thing to Waste: Part 2S4.E3 ∙ I Just Want to Be Your Teddy BearS4.E4 ∙ Missing LinkaS4.E5 ∙ The Unbearable Blightness of BeingS4.E6 ∙ Wheeler's ArkS4.E7 ∙ Sea No EvilS4.E8 ∙ Future ShockS4.E9 ∙ I've Lost My MayanS4.E10 ∙ Talkin' TrashS4.E11 ∙ The Energy VampireS4.E12 ∙ Bottom Line GreenS4.E13 ∙ Gorillas Will Be MissedS4.E14 ∙ Bug OffS4.E15 ∙ You Bet Your PlanetS4.E16 ∙ Going Bats, ManS4.E17 ∙ Jail House FlockS4.E18 ∙ High SteaksS4.E19 ∙ Planeteers Under GlassS4.E20 ∙ Orangu-TangleS4.E21 ∙ No Horsing AroundS4.E22 ∙ 'Teers in the Hood
Season 5
S5.E1 ∙ Twilight OzoneS5.E2 ∙ HollywasteS5.E3 ∙ The Ghost of Porkaloin PastS5.E4 ∙ Disoriented ExpressS5.E5 ∙ Horns a'PlentyS5.E6 ∙ A River Ran Through ItS5.E7 ∙ No Place Like HomeS5.E8 ∙ Little Crop of HorrorsS5.E9 ∙ In Zarm's WayS5.E10 ∙ No Small ProblemS5.E11 ∙ Numbers GameS5.E12 ∙ Nothing's SacredS5.E13 ∙ Who's Running the Show?
Season 6
S6.E1 ∙ An Eye for an EyeS6.E2 ∙ 101 MutationsS6.E3 ∙ Whoo Gives a Hoot?S6.E4 ∙ Frog Day AfternoonS6.E5 ∙ Five Ring Panda-MoniumS6.E6 ∙ A Good Bomb Is Hard to FindS6.E7 ∙ Dirty PoliticsS6.E8 ∙ Old Ma RiverS6.E9 ∙ One of the GangS6.E10 ∙ Twelve Angry AnimalsS6.E11 ∙ Never the Twain Shall MeetS6.E12 ∙ Delta GoneS6.E13 ∙ Greed Is the Word