My Favourite Season is 5.. I just Amore it.. I Amore Sirenix + Harmonix.. and Their Quest for Sirenix... Infinite Ocean... Trix are back... and my most preferito thing about Season 5 is Icy & Trittanus... i just Amore them together....
2. Season 3... Valtor & Enchantix.. Enough Said
3. Season 6... Lagendarium & Mythix concept is very nice... Selina is awesome...Trix new Transformation is Fab..
4. Season 2 5. Season 4 6. Season 1... (Don't know why but i don't like Season 1 very Much after watching other seasons)