Jacob, Sierra, and Rylie's Backstory is the 29th episode of season 2 .
Jacob , Sierra, and Rylie tell the engines about their lives before they moved to Sodor.
- Knapford Sheds
- Butler, Pennsylvania
- This marks the first time characters sing songs, with Really Useful Engine , The Island Song , and The Whistle Song being sung by Jacob, Sierra, and Rylie.