Consumer electronics show on youtube labelled 1982 mostly in german
I thought it was 79' but Mel Brooks History of the world is on laserdisc and that came out in 81'
Two small clips of the keyboard component , can hear Jack Lalanne in the background on the first one
Go to 21.15 & 26.05 , in the video for KC
22.28 for some screen shots of intellivision games
Best thing next to being there , lots of retro tech and bad fashion .....