The 'television' group
These nouns are concerned with broadcasting. We include here Internet. This pattern is also used with specific channels or programmes, as in on BBC 1 and on Newsnight.
on air on cable on camera on iPlayer(R) on long wave on medium wave on podcast on radio on screen on short wave on television on telly on VHF on the air on the box on the Internet on the radio on the television
It allowed ministers and senior officials to be directly questioned and opposed on air.
He also appeared on TV programmes such as Five Alive and the Ronn Lucas Show.
The neighbors came out and told her the terrible news they'd heard on the radio.
I have always had a problem with cosmetics adverts in magazines and on television.
This is used as a normal count noun: