Night Train to Madrid - S2-E26
Continuity mistake: When everyone boards it at the station, the entire train is steel-gray in color. In a later shot of it en route to Madrid, however, every car is bright red. (00:07:45)
Night Train to Madrid - S2-E26
Continuity mistake: In the opening train compartment scene, two consecutive shots don't match. In the first, Scott is sitting back with both hands in his lap. In the next, he's suddenly leaning forward and has one hand on his cheek. (00:07:10)