This is the 572nd most frequent Slovak word.
televízie
"Televízie" in Slovak means "televisions."
In this sentence, 'televízia' is used as a noun in nominative singular form referring to the device itself, a television.
Tá nová televízia v izbe je skvelá.
The new television in the room is great.
Here, 'televízii' is the dative singular form of 'televízia' and refers to the television network or broadcast medium.
Dnes večer budú dávať dobrý film na televízii.
Tonight they will broadcast a good movie on television.
In this case, 'televízii' is the dative singular form, referring to the television device in relation to the remote control.