Except where necessary for clarity, you would spell it "TVs."
The plural form spelled out is "televisions."
television
teilifish
Телевизор
How Do You Spell God - 1996 TV was released on: USA: 22 December 1996
la televisión
Channel, as in a tv channel.
The correct spelling is the transposition television(TV).
'I watched TV' is correct as you wrote it.
television (this does not include the accents)
The motto of Spelling Television is 'Spell your entertainment'.
This seems to be a combination of the words "television" (TV) and "elevation" (land height).
A paid advertising message on TV or radio is a commercial.