My Favourite Season is 5.. I just love it.. I Love Sirenix + Harmonix.. and Their Quest for Sirenix... Infinite Ocean... Trix are back... and my most Favorite thing about Season 5 is Icy & Trittanus... i just love 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)