Can I use Oyster on TfL rail?

Related questions

1. Can you give your Oyster card back?
2. What is a TfL travel charge?
3. What does a travel card cover in London?
4. What are the zones in London?
5. Is Walton on Thames in Oyster zone?
6. Can I use my Oyster on South Western Railway?
7. How do I get my oyster deposit back?
8. What zones are covered by a Travelcard?
9. How much is Oyster card deposit?
10. What is Oyster card in London?

Tags

1. #oyster
2. #travel
3. #overground
4. #river
5. #emirates
6. #london
7. #cards