I'm reading a book aboutcalled Charlie and the Chocolate Factory.

Alt: I'm currently reading

I watched it in a moviethe movie adaptation before, but I couldn't remember it very well, so I watched ithe movie again today.

Alt: so I rewatched it today.

Looking back, it was so much fun that I watched more of the director's films.

Alt: I enjoyed it and thought it was so much fun. Afterwards, I watched more of the director's films.

The Ghost Bride, Alice in Wonderland, and now I'm watching the Big Fish.

Alt: I watched The Ghost Bride and Alice in Wonderland. Now I'm watching Big Fish.

I didn't do that before, butt's my first time watching these movies. I like the dreamy feeling in them.

Alt: I like the dreamy atmosphere in them.

I'm reading a book aboutcalled Charlie and the Chocolate Factory.

I watched it in athe movie before, but I couldn't really remember it well, so I watched ithe movie again today.

Since you already mentioned the movie, you can say "it" the second time

Looking back, itWatching it again was so much fun that I watched more of the director's films.

I dihadn't done that before, but I like the dreamy feeling.