"Lubisz oglądać telewizję?"

Translation: Do you like to watch television?

[SepanSan]

I'm guessing "telewizor" refers to the actual TV set while "telewizję" refers to the programs?

[immery]

yes. telewizor is the TV set, telewizja is either the technology, the TV station or the media.

[KVRMx]

Please add: You like to watch television?

[Jellei]

OK, added.