Lol you guys that's the peak viewers of anyone who watched like 60 seconds of the series at any given time.
Nothing has hit 20m for years, not even the Olympics 2012 ceremonies did
The CBB/BB series averages on C5...
Big Brother:
BB12- 1.6m
BB13- 1.6m
BB14- 1.9m
BB15- 1.6m
BB16- 1.4m
BB17- 1.6m
CBB8- 2.8m
CBB9- 2.6m
CBB10- 2.2m
CBB11- 2.8m
CBB12- 2.3m
CBB13- 3.1m
CBB14- 2.1m
CBB15- 3.1m
CBB16- 1.9m
CBB17- 2.8m
CBB18- 2.1m