Television Video Game c.1951 (this example 1975)

An example of a video game people played with Television remote controls where they had access to more than one channel. As early as 1951 in the USA: Mix up channels to make a new channel, to entertain yourself / make others laugh.
oneswitch.org....
(clip from ITV's Man About The House 1975 - S5 E1 - for educational purposes)