Compatible TV required for HD, Ultra-HD and 3D. Sky Go: UK / Ireland only. Streamed via broadband/3G/4G/Wi-Fi (charges may apply). Available on two registered compatible devices (content may vary). Selected live channels and on demand content available in line with your Sky TV subscription at no extra cost. Ultra HD content (only available to customers with a Sky Q 2TB box). Ultra HD not available on Sky Q Mini boxes or Sky Q 1TB box.