Sci-fi drama Primeval returned to ITV1 with its lowest audience on record.

Primeval (ITV1) 6pm-7pm
2.5m (14%) / 394k (1.95%) +1

The show, starring Ben Miller and Hannah Spearritt, returned for its fifth and potentially final series.

The run has already been shown on UKTV’s Watch, as part of a groundbreaking deal to resurrect the Impossible Pictures show in 2009, and it averaged 590k (2.49%) viewers.

Its debut on ITV1 pulled in the franchise’s lowest audience to date for the channel - excluding time-adjusted ITV1+1 figures. The previous low was for an episode in April 2009, which entertained 2.7m (14.29%).

The drama was nearly 2m viewers below last year’s series debut of 4.41m (16.57%).

Primeval was beaten by an episode of Pointless Celebrities, which quizzed an audience of 3.47m (19.2%) on BBC1 between 6pm and 6.50pm.

You Cannot Be Serious (ITV1) 7pm-7.30pm
1.74m (8.95%) / 140k (0.65%) +1

Later in the evening, Alistair McGowan’s sports sketch show reached its halfway mark with a series low audience.

It was less than half ITV1’s slot average of 3.94m (18.72%) for the past 12 months, according to overnight Barb figures supplied by Attentional.

The comedy was trumped by BBC2’s Trooping the Colour Highlights, which picked up an audience of 2.56m (12.9%), from 6.30pm to 8pm.

Czech Republic v Poland(BBC1) 7.10pm-10pm
5.72m (26.4%)

Greece v Russia (BBC3) 7.30pm-10pm
864k (3.9%) / 152k (0.7%) HD

BBC1’s coverage of the Czechs 1-0 victory over hosts Poland was the highest rated event of the evening, peaking with 6.9m (31.73%) at 8.15pm.

Over on BBC3, the Greeks progressed to the quarter final with a 1-0 win against Russia, peaking with 1.94m (8.49%) viewers a 9.35pm.

Agatha Christie’s Poirot (ITV1) 8pm-10pm
2.05m (9.3%) / 157k (0.77%) +1

A repeat from the famous detective series was next in line on Saturday night, beating BBC2 and Channel 4.

The Young Victoria (BBC2) 9pm-10.40pm
1.78m (8.4%)

The historical drama film starring Emily Blunt topped BBC2’s slot average of 1.25m (5.73%) for the past 12 months.

The Million Pound Drop Live (C4) 9pm-10.35pm
1.49m (7%) / 235k (1.4%) +1

The Davina McCall quiz recovered from Friday’s lowest audience on record, but could still only manage fourth place in primetime.

Big Brother (C5) 9pm-10pm
1.08m (4.8%) / 120k (0.64%) +1

The reality show continued with its lowest audience of the series and last place on Saturday night.