Thomas and the lost diesel

It will be the fist episode of season 22.

Plot
Skarloey tells Thomas "the legend of the lost diesel". Thomas is derterment to find him. But then crashes to a mine and discovers David the lost diesel.

Cast

 * Thomas


 * Skarloey

Sir Topham Hatt and the mayor of Sodor are likely to appear.
 * David (interdruced)

Locations

 * Blue Mountain Quarry


 * Ulfstead castle mine
 * Skarloey Railway station