 Former Pop Idol contestants turned presenters Sam Nixon and Mark Rhodes, better known as Sam & Mark, were joined by Caroline Flack for a mix of cartoons, competitions, games, music videos and celebrity guests.The first series had a reality theme to the proceedings, which had never been done before on a children's Saturday morning show.This consisted of Sam and Mark living in the 'TMi flat' throughout the week, mainly rehearsing or practising for their weekly head to head challenges in the studio.