BBC One promoted its highlight of the day as 'The One to Watch'.
'The One' promo for a Saturday night in December 2009.
Standard trailers have the BBC ONE logo centred on screen throughout, and finish with the circular endboards. This trailer for 'Spooks' had the final animation altered so the circular pattern originated off its usual centre point - and looks better for it.
'The One' trailer end board.
New technology is very important to the BBC so it's no surprise to see the BBC iPlayer being pushed on trailers.
Also, the BBC HD channel is promoted for all the BBC's high-definition programmes.
Menu cross-promoting content on BBC Radio 5 Live.
Pudsey Bear making an appearance on the trailer for 2008's 'BBC Children in Need' appeal.
'The Apprentice' themed 'Next' from 2009.
A 2009 trailer for 'Bang Goes the Theory'.
Also from 2009, a special trailer for 'The No.1 Ladies' Detective Agency'.
The BBC is the Olympic Broadcaster for the 2012 Games, and related programmes sport the BBC Olympic logo on their trailers.
A trailer from 2011 for the film 'WALL-E'.
From 2012, a trailer specially for 'Strictly Come Dancing'.
A trailer from BBC ONE Northern Ireland with a 'Comic Relief' Red Nose theme.
Many programmes have specially adapted trailers - but keeping to the same theme. Here's the trailer for 'Robin Hood'.
One for EastEnders.
This trailer was for the drama 'Jekyll'.
'Life in Cold Blood' trailer.
'Now and Next' slide in the lead up to BBC ONE's 'Life in Cold Blood' season.
And this trailer for the Saturday night drama 'Merlin'.
A trailer for 'Bonekickers' has an adapted logo for BBC ONE.
Trailer for the drama series 'Ashes to Ashes'.
A 2011 trailer for 'Doctor Who'.
In 2007, Saturday evenings, programmes were introduced by the 'Neon' ident and the trailers between the programmes were linked by these special 'Neon'-themed stings.
Saturday Entertainment in-programme pointer featuring an animated (old-style) Dalek from 'Doctor Who', introduced 24th April 2010 at the end of 'Total Wipeout'.
And another in-programme pointer for 'Over The Rainbow' - this one despoiling the showing of 'Doctor Who' on BBC ONE.
The accompanying Saturday Entertainment end-credit promotion,
In April 2011, the same stylized graphics returned for Saturday nights with this promo for 'Don't Scare the Hare', 'Doctor Who' and 'So You Think You Can Dance'.
As part of the Saturday night entertainment push of 2010, there was this specially animated trailer for 'The National Lottery' programming.
The corresponding end-credit promotion animation from April 2011. The top two from the end of 'Don't Scare the Hare', the bottom two from the end of 'Doctor Who'.
Saturday 'Next and Later' animation from May 2011.
Short promotions for the drama series 'Ashes to Ashes' which began on 20th April 2009.
'Ashes to Ashes' promotion - 'Gene Hunt'.
'Ashes to Ashes' promotion - 'Quattro'.
As part of the promotion of the launch of a new series of 'Ashes to Ashes' in April 2009, BBC ONE's menus have taken on the red stripes theme.