It works through TVs or set-top boxes that are internet enabled, sending out Wi-Fi signals to any device in the home that can also connect to the internet.
The successful trial, involving two foot high Daleks, was revealed by BBC research and development bosses in the industry journal Broadcast.
Project director Adrian Woolard said: "It's a playful illustration that shows the possibilities that exist to producers when we start to think about future connectivity in a home environment in which all devices will be IP (internet) connected.
"Effectively this puts another actor in the living room, enabling a production team to write a script and include it as part of the viewer's experience."
You can watch a video of the toy at DVICE.
Link -via DVICE | Image: BBC