Tonight, the trainee cabin crew learn what to do if a jumbo jet goes up in flames.

Jean-Marie has to deal with a woman stripping off in the toilet, customs staff are busy with revellers returning from a weekend away, and 100 petrified people are trying to overcome their fear of flying.

The festive season resembles the nightmare before Christmas as Jean-Marie Lavillard deals with a string of emergencies. Meanwhile, passengers have just discovered that their flight may not be leaving; and an aircraft has been mislaid somewhere between Kiev and London.