Sonic Mania Adventures part 5 (final episode) is here to celebrate the release of Sonic Mania Plus. This episode everyone comes together to take on Metal Sonic. Here is the episode synopsis:

The decisive battle looms. With the fate of the Chaos Emeralds at stake, it’s up to Sonic, Tails, Mighty, and Ray to unite against a superpowered Metal Sonic. It’s time for Part 5 of Sonic Mania Adventures: Metal Mayhem!

If you need to rewind, you can watch episode 4, episode 3, episode 2, and episode 1. You can also watch the entire five episodes together right here.