PHILADELPHIA--(BUSINESS WIRE)--The top 20 TV series on Xfinity On Demand for the week of March 2 – March 8 were: 1. Empire, FOX2. The Walking Dead, AMC3. Dig (series premiere), USA4. Scandal, ABC5. Better Call Saul, AMC6. American Crime (series premiere) ABC7. The Blacklist, NBC8. CSI: Cyber (series premiere), CBS9. Modern Family, ABC10. Secrets and Lies, ABC11. The Last Man on Earth, FOX12. Vikings, History13. Gotham, FOX14. The Following (season premiere), FOX15. Madam Secretary, CBS16. The B