Double Twins Means Double Trouble

This is an episode of Wooden Sodor.

Plot
Donald and Douglas work with Bill and Ben.

Characters

 * Donald
 * Douglas
 * Bill
 * Ben
 * Sir Topham Hatt
 * Edward (mentioned)
 * Salty (mentioned)
 * Cranky (cameo)

Goofs

 * Before Bill And Ben go into the tunnel with their train, they derail their trucks and James Is Here puts it back on again.