Question

Watching a film on TV isn't as/less fun as wtching it at the cinema

Answer 1

less.

Вот правильный ответ

Answer 2

Правильный ответ: less

Answer 3

The phrase you are looking for is "watching a film on TV isn't as fun as watching it at the cinema."

In this context, "as fun as" is the correct comparison to indicate that the experience of watching a film at home on TV is not as enjoyable or exciting as watching it in a movie theater.