Season 5 footage courtesy of ThomasTankMerchandise.
Thanks to Sudrian Afro for the extended version of the Thomas Season 5 theme.

SFX:
The Windmill (2003 PC Game: Thomas Saves the Day)
Chuffing (Jim522)
Thomas' Whistle (1999 PC Game: The Great Festival Adventure)
Rolling Stock (Gw Shunter)
Countryside Ambience (TheGermanOfSodor)
Harold the Helicopter (1999 PC Game: The Great Festival Adventure)
Gordon's Whistle (1999 PC Game: The Great Festival Adventure)
S5 Brakes (Gw Shunter)