Here is the full list of all 12 Sam & Max - Beyond Time & Space: Episode 4 - Chariots of the Dogs trophies - there are 8 bronze, 3 silver and 1 gold.
Complete Episode 4 - Chariots of the Dogs.
Get rid of all three Pedros from the ship.
Get rid of the middle-aged Pedro from his communications post.
Answer and prove the two questions the older Pedro has.
Use the Carbon Dater on every possible character.
Get a recording contract for the youngest Pedro.
Fix Bosco's temporal anomaly problem.
Use each of the wrong personalities of AI in Bluster Blaster.
Get Bosco back to his normal paranoid human self.
Provide an inventory item for use in Episode 5.
Choose every dialog choice with each AI personality.
Gain access to Bosco's secret room.