Thomas The Tank Engine & Friends : Percy And Harold : Percy Takes The Plunge :

Percy & Harold: While at work on the new harbour, Percy meets Harold, a helicopter who calls the railway "slow, not much use, and quite out of date". Percy is determined to prove him wrong, and his chance comes on the way to the Wharf. Percy Takes The Plunge: One day at the Harbour Percy teases Henry about being afraid of water referring to the time he refused to come out of the tunnel in case the rain ruined his paint. However, on another day at the Harbour, Percy soon gets what he deserves when he ends up chin first in the water after foolishly persuading some trucks to push him past the same Danger sign Thomas ignored.