The Hollywood Reporter understands that the first commission, which stars Madonna's former trainer Tracy Anderson, is a currently untitled docusoap about celebrities keeping in shape.
Stars such as Jennifer Aniston, Courteney Cox, Gwyneth Paltrow, Kate Hudson and Shakira are tipped to join the fitness project.
The other show, with the working title of Lost Weekend, reportedly centres around a celebrity scavenger-hunt.
The network recently renewed a batch of shows including dramas Supernatural and Gossip Girl.
