Season 5 footage courtesy of ThomasTankMerchandise.

Themes:
Percy Short Theme (Carson)
Brake Van and Trucks (The Old Bean)
The Fat Controller (The Old Bean)
Percy Full Theme (OliverGWR11)

Sound Effects:
Percy's Whistle (1999 PC Game: The Great Festival Adventure)
Chugging (Jim522)
Brakes Squeal (The Hollywood Edge Sound Effects Library)
Steam Hiss (2006 PC Game: Special Delivery)
Temple Block (Matt Goldstein from Barney & The Backyard Gang CGI Tetralogy Series)
Knapford Ambience (2003 PC Game: Thomas Saves the Day)
Rolling Stock (The German Of Sodor)
Guard's Whistle (1999 PC Game: The Great Festival Adventure)
Harbour Ambience (1999 PC Game: The Great Festival Adventure)