Masher 3.0 is the 37th episode of the fan fiction series, The Adventures of Amy and Tiff. It was originally planned for release on February 7, 2012, but was delayed to February 14.
- Meta Knight
- Sword Knight
- Blade Knight
- Knuckle Joe (guest appearance)
- The medicine Amy and Tiff feed Knuckle Joe has the words 'PEP BREW' written on it. This could be a reference to the Pep Brew from the Kirby games.
- Buto's main weapon is revealed to be the Lightsaber.
- Number of Sonic characters: 6
- Number of Kirby characters: 7