Madame Blanc Christmas Special 2025 Cast. The madame blanc mysteries christmas special airs christmas eve at 9:15pm on channel 5. Channel 5's hit drama the madame blanc mysteries is set for a spectacular comeback with fans eagerly anticipating its fourth series and a christmas special this year.

The madame blanc mysteries series will return to the world of sainte victoire for a seven episode series beginning with a christmas special. In august 2025, it was announced that the madame blanc mysteries had been reupped for season 4 (via deadline).