Template:SeasonBySeason HellmouthIIICup AA

In Hellmouth III/Season 2 the Alewife Arsonists were the #2 seed in the Hot League.
- They lost the Hot League Division Series to the Jersey OSHA Violations 2-3.
In Hellmouth III/Season 6 the Alewife Arsonists were the #2 seed in the Hot League.
- They defeated the San Francisco Boat Shoes 3-1 in the Hot League Division Series.
- They clinched the pennant by defeating the Detroit Grape Chews 4-3 in the Hot League Championship Series.
- They became Hellmouth III Cup champions by defeating the Elko Astronauts 4-2.
In Hellmouth III/Season 7 the Alewife Arsonists were the #4 seed in the Hot League.
- They defeated the Detroit Grape Chews 3-1 in the Hot League Division Series.
- They lost the Hot League Championship Series to the Boylston Boogers 3-4.
In Hellmouth III/Season 8 the Alewife Arsonists were the #3 seed in the Hot League.
- They lost the Hot League Division Series to the Fargo Flea Flickers 2-3.
In Hellmouth III/Season 9 the Alewife Arsonists were the #1 seed in the Hot League.
- They were swept in the Hot League Division Series by the Vegas Vampires .
In Hellmouth III/Season 12 the Alewife Arsonists were the #2 seed in the Hot League.
- They defeated the Milwaukee Flamingos 3-2 in the Hot League Division Series.
- They lost the Hot League Championship Series to the Jersey OSHA Violations 3-4.
In Hellmouth III/Season 16 the Alewife Arsonists were the #3 seed in the Hot League.
- They defeated the Jersey OSHA Violations 3-1 in the Hot League Division Series.
- They lost the Hot League Championship Series to the Sugar Grove Eavesdroppers 3-4.
In Hellmouth III/Season 18 the Alewife Arsonists were the #4 seed in the Hot League.
- They swept the Boylston Boogers 3-0 in the Hot League Division Series.
- They clinched the pennant by defeating the Vegas Vampires 4-1 in the Hot League Championship Series.
- They were swept in the Hellmouth III Cup Series by the Phoenix Freshrolls .