Big City Engine, Spencer and The Coal/Double Trouble is the 30th episode of Big City Engine the Tender Engine and Friends and the 1st episode of Season 2.
- Big City Engine as Thomas
- Spencer as Percy
- Mallard (from RWS) as Toby
- Zoe and Zodiac (from TUGS) as Annie and Clarabell
- The Coaches as Troublesome Trucks
- Stewie Griffin (from Family Guy) as Sir Topham Hatt (Mentioned)