Template:SeasonBySeason HellmouthIVCup EA

In Hellmouth IV/Season 4 the Elko Astronauts were the #1 seed in the Cold League.
- They defeated the Tucson Butchers 3-1 in the Cold League Division Series.
- They clinched the pennant by defeating the Seattle Sneakers 4-3 in the Cold League Championship Series.
- They lost the Hellmouth IV Cup Series to the Delaware Corporate Shells , 2-4.
In Hellmouth IV/Season 5 the Elko Astronauts were the #1 seed in the Cold League.
- They defeated the Seattle Sneakers 3-2 in the Cold League Division Series.
- They clinched the pennant by defeating the Baltimore Texas II 4-3 in the Cold League Championship Series.
- They were swept in the Hellmouth IV Cup Series by the Sugar Grove Eavesdroppers .
In Hellmouth IV/Season 6 the Elko Astronauts were the #3 seed in the Cold League.
- They defeated the Long Beach Flightless Birds 3-2 in the Cold League Division Series.
- They lost the Cold League Championship Series to the San Diego Balloon Animals 3-4.
In Hellmouth IV/Season 9 the Elko Astronauts were the #1 seed in the Cold League.
- They lost the Cold League Division Series to the San Diego Balloon Animals 2-3.
In Hellmouth IV/Season 17 the Elko Astronauts were the #4 seed in the Cold League.
- They defeated the Tucson Butchers 3-2 in the Cold League Division Series.
- They clinched the pennant by sweeping the Sacramento Boot Lickers 4-0 in the Cold League Championship Series.
- They lost the Hellmouth IV Cup Series to the Boylston Boogers , 2-4.
In Hellmouth IV/Season 20 the Elko Astronauts were the #1 seed in the Cold League.
- They lost the Cold League Division Series to the San Diego Balloon Animals 2-3.