Worst episodes

These are my least favourite episodes:

The Gum Leaf War (S1)
Pink Bow Tie (S2)
Grandad's Gifts (S2)
Ice Maiden (S2)
Viking Book of Love (S3)
Mali-Boo (S3)
Tears of Innocence (S3)
The Big Rock (S3)
Face the Fear (S4)
Bird Boy (S4)
Radio Da Da (S4)

I find these ones boring and I usually skip past them