There was no official fifth season produced.
Where to find X-Men Evolution:
* Streaming services: You can find X-Men Evolution on platforms like Disney+, Amazon Prime Video, and Hulu, depending on your region and subscription.
* Online retailers: You can also purchase the complete series on platforms like Amazon, iTunes, and Google Play.
Remember, accessing content through unofficial sources can be risky and potentially illegal. It's always best to use legitimate, authorized platforms for your entertainment.