Abstract: A TV system with improved video switching capabilities is described. The system has: a TV set with at least one high-definition digital video and control input, a first content-providing unit connected to a network for providing high-definition video contents to the TV set, a second content-providing unit connected to a network for providing alternative high-definition video contents to the TV set, a video switching unit having inputs connected to outputs of the first and second content-providing units, a communicating user terminal provided with a user interface, a first network communications channel between said user terminal and said switching unit, and a second network communications channel between and external server and said switching unit, wherein said video switching can be performed remotely either by action of said user terminal, or by a switching command received from said server. Associated TV environment, server and terminal are also described.