Radio-Vision BBC 

It started as an experiment in 1980 and maybe in wider use in 2023.
Robin Day trails Election Call (14/5/83)
The first edition - Roy Hattersley (16/5/83)
Did You See - Nick Ross takes a look at the programme (20/5/83)
Jonathan Dimbleby with Tony Blair (17/3/92)
Peter Sissons with John Major (30/4/97)