The Clone Wars Easter egg in Supernatural, and it's likely going to make you pretty annoyed once you watch it.
In Revenge of the Sith, Anakin claimed that his power had doubled since the last time he fought Count Dooku, but this was seemingly not the case.
Genndy Tartakovsky's Clone Wars is how to do a franchise tie-in. It provided a thrilling lead-in to 'Revenge of the Sith' ...