Here’s a good series on introductory improv techniques created by Jayne Entwistle for ExpertVillage. There’s a youtube playlist of it, but they were uploaded out of order, so I’ve arranged them in a way that makes them more accessible for beginners. I recommend you check out the full series.

This is the first in a series of articles on improv for screenwriters.

1. Introduction

2. The Basic Rules

3. More on Rules

4. Yes And

5. Who/What/Where

6. Giving and Taking

7. Blocking

8. Spacework

9. Questions

10. Summary of rules

11. Even Advanced Improvisation is Based on the Basic Rules