Thanks to ThomasTankMerchandise for the Season 5 footage, extended scenes included.

Themes:
Oliver's Theme (Carson)
William Tell Overture (Carson)

SFX:
Yard Ambience (TheGermanOfSodor)
Oliver's Whistle (Gw Shunter)
Chuffing (Jim522)
Rolling Stock (TheGermanOfSodor)
Hillside (2003 PC Game: Thomas Saves the Day)
Dizzy Bird (Jessica Hartell)
Slap (The Cake Roll Bakery)
Knapford Switching Yards (2003 PC Game: Thomas Saves the Day)
Henry's Whistle (Jim522)