Symfony 2.3.3のチュートリアル動画（英語）がYouTubeにありましたので紹介します。

1. Course Intro

2. Introduction to Symfony

3. Installing Symfony Without Pain -Part 1

4. Installing Symfony Without Pain -Part 2

5. Installing Symfony Without Pain -Part 3

6. Bundle Creation

7. Response

8. Routing

9. Views with Twig

10. Doctrine -Part 1

11. Doctrine -Part 2

12. Your First Webapp CRUD

13. Your First Webapp Listing

14. Your First Webapp Create

15. Your First Webapp View and Delete

16. Your First Webapp Update

17. Including Assets

18. Summary