Pre-orders and previews begin April 10, launches April 24.
Premium Channel 'Showtime Anytime' Comes to Apple TV
The Apple TV channel is a companion to the Showtime premium cable network and offers limited free content to all users. Most content, which includes live and on-demand shows and events, is limited to customers who subscribe to the network through a participating cable provider.
Update 8:52 AM: As noted by Mac1 [Google Translate], Norwegian public television network NRK has also launched on Apple TV in that country.
Update 9:50 AM: Swedish public broadcaster SVT has also announced [Google Translate] the launch of its SVT Play channel for Apple TV.