Season 1

Season 1 of Numberjacks premiered on CBeebies Channel in the United Kingdom from October 16, 2006 to August 28, 2009 with 26 episodes.

Episodes

 * 1) The Trouble With Nothing/Going Wrong, Going Long October 16, 2006
 * 2) Sphere Today, Gone Tomorrow/In, Out, Shake It All About September 4, 2007
 * 3) One More Time/Forward Thinking September 5, 2007
 * 4) Seven Wonders/Getting Heavy September 6, 2007
 * 5) Belongings/4 He's A Jolly Good Fellow September 7, 2007
 * 6) Boxing Day/Out Of Order September 14, 2007
 * 7) Nine Lives/Takeaway September 28, 2007
 * 8) The Cuck-Cuck-Cuck-Oo-Oo-Oo Bird/Stop And Go October 12, 2007
 * 9) Off Colour/A Game Of 2 Halves October 19, 2007
 * 10) Out For The Count/The Container Drainer October 26, 2007
 * 11) Tens Moments/3 Things Good November 9, 2007
 * 12) Say What You Mean/One Won November 16, 2007
 * 13) Tricky Sixes/May The Fours Be With You November 23, 2007
 * 14) Best Estimate/On and Off January 14, 2008
 * 15) Zero the Hero/Bad Circles January 28, 2008
 * 16) Famous Fives/Fair Shares February 11, 2008
 * 17) Being 3/Into the Teens March 24, 2008
 * 18) Slide and Turn/Six Of One April 28, 2008
 * 19) Time Trouble/1, 2, 3, Go April 29, 2008
 * 20) More 4/Almost Human April 30, 2008
 * 21) Two, Four, Six, Eight/Round and Round May 1, 2008
 * 22) Square Dancing/Data Day May 2, 2008
 * 23) All About Numberjacks November 10, 2008
 * 24) How? What? Check!/Counting Down to Christmas November 24, 2008

Trivia

 * This is the only season to have Numberjacks as meanies.