CBBC Official Chart Show

Episode 1

Cel is joined by Zara Larsson for this week's chart countdown.

Episode 2

Cel is joined by Lawson and Katy B.

With Bebe Rexha

Live from BBC Radio 1's world-famous studios, Cel Spellman counts down the weekly official chart. Cel is back in the studio and Bebe Rexha joins him to answer viewer's questions, take on a game of Nooooote, and challenge Cel to draw the best self-portrait! The show catches up with Craig David and as if that wasn't enough, we surprise a viewer with a day out with Caspar Lee.

From Eden Project

Cel Spellman counts down the weekly official chart live from the Eden Project in a jam-packed tropical show. Lawson, Laura Mvula, Izzy Bizu and Nile Rodgers join Cel in the rainforest for a jungle catch-up and some wild games. Lawson also treat the show to a special performance. Also, we take a look a Penrice Academy's ferocious jungle lip-dub.

Episode 5

Live from BBC Radio 1's world-famous studios, Cel Spellman counts down the weekly official chart. Featuring special guests, music videos, exclusive interviews and performances, and the all-important number one.

With Olly Murs

Live from the BBC Radio 1 studios in central London, Cel's dreams come true when chart king Olly Murs visits the show. Jonas Blue challenges people to do a little singing in public and Yasser takes on Yungen in the toughest rap battle the chart has ever seen. Also, we reveal the Top 10 and who is the UK's official number one.

From Birmingham

Episode 8

Live from the world-famous BBC Radio 1 studios in central London, a countdown of the Official Chart Top 10 music tracks that you have downloaded and streamed this week. With celebrity guests, entertaining music videos and the best cameos and lip dubs featuring the stars as well as viewers, plus the all-important number one announcement.

Episode 9

Episode 10

Episode 11

Episode 12

Episode 13

Episode 14

With Justin Bieber and Craig David

Live from BBC Radio 1's world-famous studios, Cel Spellman counts down the weekly official chart featuring special guests.

With Wstrn and Blossoms

Live from BBC Radio 1's world-famous studios, Cel Spellman counts down the weekly official chart featuring special guests.

With KSI and Bastille

Live from BBC Radio 1's world-famous studios, Cel Spellman counts down the weekly official chart featuring special guests.

With Izzy Bizu and Zara Larsson

With Aston Merrygold and Dua Lipa

With Melvin Odoom and Tom Odell

With James TW, Yasser and Olly Murs

With James Arthur and Charlie Puth

With Little Mix, BB Diamond and Aston Merrygold

With The Tide and Louisa Johnson