# TF1 viewership for ‘Le mystère de la chambre jaune’

> Live situation record from CLSTR: https://clstr.news/situations/tf1-viewership-for-le-mystre-de-la-chambre-jaune
> Updated: 2026-09-17T06:06:59.000Z. Sources: 4. Developments: 2.

The TF1 mini-series ‘Le mystère de la chambre jaune’, an adaptation of the Gaston Leroux novel, experienced a gradual decline in viewership throughout its broadcast run in September 2026.

While the series launched strongly on September 3 with nearly 4 million viewers, subsequent episodes saw decreasing numbers. By mid-September, the first episode of the evening drew 3.24 million viewers, a 4.8 percentage point drop from the previous week, while the fourth episode gathered 2.57 million viewers. 

Upon the series' conclusion on September 17, the final two episodes attracted 2.84 million and 2.53 million viewers. Despite the overall decline in audience size from its premiere, the series maintained its position as a national leader for the TF1 network during its final broadcast.

## Timeline

### 2026-09-17: TF1 concludes ‘Le mystère de la chambre jaune’ mini-series

The TF1 mini-series ‘Le mystère de la chambre jaune’ concluded its run on September 17, 2026, with the final episodes drawing between 2.53 and 2.84 million viewers.

2 sources. https://clstr.news/cluster/tf1-concludes-le-mystre-de-la-chambre-jaune-mini-series

### 2026-09-10: TF1 series ‘Le mystère de la chambre jaune’ sees viewership decline

TF1's mini-series ‘Le mystère de la chambre jaune’ remains a national leader despite a decline in weekly viewership numbers.

4 sources. https://clstr.news/cluster/tf1-series-le-mystre-de-la-chambre-jaune-sees-viewership-decline

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Cite as: TF1 viewership for ‘Le mystère de la chambre jaune’. CLSTR, https://clstr.news/situations/tf1-viewership-for-le-mystre-de-la-chambre-jaune