This is the first season of SlugTerra and it originally ran from September 3, 2012 to February 11, 2013. And has 14 episodes in the season.
Episodes
- The World Beneath Our Feet Part 1
- The World Beneath Our Feet Part 2
- The Trade
- The Slugout
- Club Slug
- The Slug Run
- Mecha Mutiny
- Deadweed
- Shadows and Light
- Mario Bravado
- Endangered Species
- Undertow
- Dawn of the Slug
- The New Kid Part 1