Do I use a dash, colon, or comma?

Question

1. I saw two movies today, [insert movie] and [insert movie]

2. I saw two movies today: [insert movie] and [insert movie]

3. I saw two movies today - [insert movie] and [insert movie]

4. I saw two movies today--[insert movie] and [insert movie]

Answer 1

Your 2 option is correct. Just use colon before mentioning movie name.