Justin Fletcher companies his first TV show after graduation was "Fun Song Factory" for GMTV, working with Dave Benson Phillips (he had earlier done Playdays on the stage after its cancellation). He was part of the "Tikkabilla" programme, out of which was spun "Higgledy House", a slapstick comedy for children with Sarah-Jane Honeywell, which progressed to the very popular Mr Tumble. Justin Fletcher has also voiced the characters of Doodles and Jake in "Tweenies", Miguel in "Finley the Fire Engine", Sleeping Bear and Growling Tiger in CBeebies' "Boo!", with additional voices in "Todd World", "Shaun the Sheep" and "Timmy Time". In 2006
Justin Fletcher programme "Jim Jam and Sunny", he is the voice of both Jim Jam and Slim the cowardly giraffe. His voice appears on the VTech Alphabet Desk, Turn and Learn Driver and the "Bob the Builder" phones, the children's train ride at Animal Farm Country Park near Burnham-on-Sea, and a number of Crick Software titles. From December 2009 to January 2010, Justin Fletcher played the character Buttons in "Cinderella" at the Capitol Theatre in Horsham, West Sussex. From December 2010 to January 2011, he played the character Josh the Jester in the pantomime "Sleeping Beauty" at The Hexagon theatre in Reading,