Mushroom Tales is a fanfiction written by Hallowseve. It is based on the Super Mario franchise and it's spin-offs.
The plot for Mushroom Tales is quite simple. It's a light-hearted comedy with a few dark twists and adventure. It features characters from the franchise and settings on the Mushroom World. Locations change in each episode and so do main characters. It should be noted that nobody gets killed off on the show and only get defeated or banished.
See Mushroom Tales: Characters for more information.