Have you ever wondered why – even on Sky – BBC One, BBC Two, ITV, Channel 4 and Channel 5 always come top of your TV listings? It now turns out that viewers may have trouble finding shows they love if public service channels are not guaranteed top positions on TV guides, major broadcasters have warned. Peers are currently debating a change to the law which says channels including BBC One, ITV and Channel 4 must appear top of on-screen listings. Major broadcasters argue public service channels should be protected as people adopt more personalised viewing habits. However, Sky says the networks are acting in “blatant self-interest”.