Iron Forged in Fire: Part One - S1-E1
Continuity mistake: The front car has an extension towards the top front showing the train’s number, 07. This is only on the front car, and the other 3 cars of the train do not have this. But after Tony busts through the first car and blasts the connection between it and the second car, you see that the extension and 07 are suddenly at the top of the second car. But as soon as the lead car breaks away and the camera changes angles and pulls back, the second car no longer has the extension. (00:20:05)