Template:SeasonBySeason StarIVCup AI

In Star IV/Season 1 the Aptos Investigators were the #2 seed in the Monterey Bay League.
- They defeated the Pacific Grove Monarchists 3-1 in the Monterey Bay League Division Series.
- They lost the Monterey Bay League Championship Series to the Boulder Creek Cardsharps 3-4.
In Star IV/Season 2 the Aptos Investigators were the #4 seed in the Monterey Bay League.
- They defeated the Davenport Cliff Divers 3-2 in the Monterey Bay League Division Series.
- They clinched the pennant by defeating the Carmel Yacht Club 4-2 in the Monterey Bay League Championship Series.
- They became Star IV Cup champions by defeating the Mountain View Miners 4-2.
In Star IV/Season 4 the Aptos Investigators were the #2 seed in the Monterey Bay League.
- They lost the Monterey Bay League Division Series to the Sand City Sidewinders 1-3.
In Star IV/Season 5 the Aptos Investigators were the #3 seed in the Monterey Bay League.
- They lost the Monterey Bay League Division Series to the Boulder Creek Cardsharps 1-3.
In Star IV/Season 6 the Aptos Investigators were the #3 seed in the Monterey Bay League.
- They defeated the Carmel Yacht Club 3-2 in the Monterey Bay League Division Series.
- They clinched the pennant by defeating the Moss Landing Daredevils 4-2 in the Monterey Bay League Championship Series.
- They were swept in the Star IV Cup Series by the Hayward Pipelines .
In Star IV/Season 7 the Aptos Investigators were the #1 seed in the Monterey Bay League.
- They were swept in the Monterey Bay League Division Series by the Monterey Meteorologists .
In Star IV/Season 9 the Aptos Investigators were the #3 seed in the Monterey Bay League.
- They lost the Monterey Bay League Division Series to the Sand City Sidewinders 1-3.
In Star IV/Season 12 the Aptos Investigators were the #1 seed in the Monterey Bay League.
- They defeated the Santa Cruz Bananas 3-1 in the Monterey Bay League Division Series.
- They clinched the pennant by defeating the Carmel Yacht Club 4-2 in the Monterey Bay League Championship Series.
- They became Star IV Cup champions by defeating the Oakland Bees 4-1.
In Star IV/Season 14 the Aptos Investigators were the #3 seed in the Monterey Bay League.
- They defeated the Carmel Yacht Club 3-2 in the Monterey Bay League Division Series.
- They lost the Monterey Bay League Championship Series to the Sand City Sidewinders 1-4.
In Star IV/Season 17 the Aptos Investigators were the #2 seed in the Monterey Bay League.
- They lost the Monterey Bay League Division Series to the Moss Landing Daredevils 2-3.