- December
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- 31 Dec 2011 16:00–19:00BBC Radio 1Tom Deacon sits in for Reggie Yates and counts down the UK's Official Top 40 of the Year.
- 25 Dec 2011 16:00–19:00BBC Radio 1Reggie counts down the Top 40 to reveal all with a little help from Justin Bieber!
- 18 Dec 2011 16:00–19:00BBC Radio 1Little Mix join Reggie live in the studio as he counts down the latest official Top 40.
- 11 Dec 2011 16:00–19:00BBC Radio 1Reggie takes a look at some of the Christmas Number 1 contenders.
- 4 Dec 2011 16:00–19:00BBC Radio 1Reggie catches up with Emeli Sande, the X Factor finalists and Olly Murs.
- November
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- 27 Nov 2011 16:00–19:00BBC Radio 1Reggie counts down the latest official Top 40, catching up with Olly Murs as he goes.
- 20 Nov 2011 16:00–19:00BBC Radio 1Find out what happened when Huw Stephens caught up with One Direction.
- 13 Nov 2011 16:00–19:00BBC Radio 1Scott Mills sits in for Reggie Yates to count down the latest official Top 40.
- 6 Nov 2011 16:00–19:00BBC Radio 1Cher Lloyd joins Reggie as he counts down the Top 40 to reveal the UK's new No 1.
- October
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- 30 Oct 2011 16:00–19:00BBC Radio 1One Direction are on the phone, plus Reggie catches up with Professor Green.
- 23 Oct 2011 16:00–19:00BBC Radio 1Reggie counts down the latest official Top 40 to reveal the UK's new Number 1 first.
- 16 Oct 2011 16:00–19:00BBC Radio 1Reggie goes skateboarding with Matt Cardle!
- 9 Oct 2011 17:00–19:00BBC Radio 1Reggie counts down the chart with help from Christina Perri and Marina and The Diamonds.
- 2 Oct 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the official Top 40 with help from Sak Noel and You Me At Six.
- September
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- 25 Sep 2011 16:00–19:00BBC Radio 1Reggie counts down the official Top 40 with help from Dappy and James Morrison.
- 18 Sep 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the Top 40 with help from One Direction and Ed Sheeran.
- 11 Sep 2011 16:00–19:00BBC Radio 1Reggie counts down the latest official Top 40, catching up with Pixie Lott on the way.
- 4 Sep 2011 16:00–19:00BBC Radio 1Reggie counts down the Top 40 with guests Example, Ed Sheeran and Cover Drive.
- August
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- 28 Aug 2011 16:00–19:00BBC Radio 1Scott Mills sits in for Reggie with help from Calvin Harris, Olly Murs and Will Young.
- 21 Aug 2011 16:00–19:00BBC Radio 1Reggie has contenders Emeli Sande and Wretch 32 in live to see who makes it to the top!
- 14 Aug 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- 7 Aug 2011 16:00–19:00BBC Radio 1Reggie Yates catches up with Cher Lloyd as he counts down the latest official Top 40.
- July
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- 31 Jul 2011 16:00–19:00BBC Radio 1Scott Mills sits in for Reggie Yates and Maverick Sabre drops in to the studio.
- 24 Jul 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the Top 40 - can The Wanted get a second week at Number 1?
- 17 Jul 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40, plus The Wanted drop into the studio.
- 10 Jul 2011 16:00–19:00BBC Radio 1Scott Mills sits in for Reggie and chart contenders DJ Fresh and Loick Essien drop in.
- 3 Jul 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- June
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- 26 Jun 2011 16:00–19:00BBC Radio 1Scott Mills sits in for Reggie Yates to count down the latest official Top 40.
- 19 Jun 2011 16:00–19:00BBC Radio 1Reggie Yates is joined by guests Calvin Harris, Tinchy Stryder and Dappy.
- 12 Jun 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- 5 Jun 2011 16:00–19:00BBC Radio 1Scott sits in for Reggie to count down the official Top 40 and reveal the UK's new No 1.
- May
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- 29 May 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- 22 May 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- 15 May 2011 18:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- 8 May 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- 1 May 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- April
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- 24 Apr 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- 17 Apr 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- 10 Apr 2011 16:00–19:00BBC Radio 1Reggie Yates catches up with J Lo, Jodie Connor and Katy B.
- 3 Apr 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- March
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- 27 Mar 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- 20 Mar 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the Top 40 with guests The Wanted, Parade and Dionne Bromfield.
- 13 Mar 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- 6 Mar 2011 16:00–19:00BBC Radio 1Justin Bieber chats to Reggie on the show as the latest official Top 40 is revealed.
- February
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- 27 Feb 2011 16:00–19:00BBC Radio 1Greg James sits in for Reggie to count down the latest official Top 40.
- 20 Feb 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- 13 Feb 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the chart, plus Chipmunk and Loick Essien drop in.
- 6 Feb 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- January
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- 30 Jan 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- 23 Jan 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- 16 Jan 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- 9 Jan 2011 16:00–19:00BBC Radio 1Reggie Yates counts down the latest official Top 40 to reveal the UK's new number 1 first.
- 2 Jan 2011 16:00–19:00BBC Radio 1Scott Mills sits in for Reggie Yates to count down the latest official Top 40.
- 2 Jan 2011 13:00–16:00BBC Radio 13/3. Matt Edmondson counts down to No 1 in our chart of the UK's Official Top 100 Downloads.
- 2 Jan 2011 10:00–13:00BBC Radio 12/3. Radio 1's countdown of the UK's Official Top 100 Downloads of all time continues.
- 2 Jan 2011 07:00–10:00BBC Radio 11/3. Jaymo and Andy George kick off Radio 1's countdown of the UK's Official Top 100 Downloads.