Dick and Dom will host the series, which has the working title So You Think You Can Be A Blue Peter Presenter.
The winner will join Blue Peter's current lineup of Barney Harwood and Helen Skelton.
Hosts Dick and Dom will be joined by a panel of judges as the hopefuls make it through a series of challenges and eliminations.
Cbbc Controller Cheryl Taylor said: "Working on Blue Peter is a dream job for any aspiring presenter and our search for a new face to join Helen and Barney will generate a huge level of excitement for Cbbc viewers.
"With the irrepressible Dick and Dom on hand to orchestrate proceedings we anticipate high tension and high jinks!"
So You Think You Can Be A Blue Peter