The Last Discovery (S05E25)

S05E01 The Spill S05E02 The Rise of Tritannus S05E03 Return to Alfea S05E04 The Sirenix Book S05E05 The Lilo S05E06 The Power of Harmonix S05E07 The Shimmering Shells S05E08 Secret of the Ruby Reef S05E09 The Empathy Gem S05E10 Trix Tricks S05E11 Test of Courage S05E12 Sirenix S05E13 A Magix Christmas S05E14 The Emperor Throne S05E15 The Pillar of Light S05E16 The Eclipse S05E17 Faraway Reflections S05E18 The Devourer S05E19 The Singing Whales S05E20 The Problems of love S05E21 A Perfect Date S05E22 Listen to your heart S05E23 The Shark's Eye S05E24 Saving Paradise Bay S05E25 The Last Discovery S05E26 The Fall of Tritannus