Could you please check if the following sentences are possible? Thank you.

Question

1) Did you watch TV last night?
Yes, I watched a new drama series and last night was the first episode.
2) Last night they broadcast the first episode (possible?)
3) What was it called? It was called The Survivors.
What was its name? Its name was The Survivors (I think this is not possible).
4) It was very good but when I was watching the end of it, my friend called !
5) Was he having (it "taking" possible) a piano lesson at 11.30?

Answer 1

2) yes

3) yes, that is also possible.

5) yes, possible

Sra