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.
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.
Get rid of the middle-aged Pedro from his communications post.
Provide an inventory item for use in Episode 5.
Get Bosco back to his normal paranoid human self.
Use each of the wrong personalities of AI in Bluster Blaster.
Fix Bosco's temporal anomaly problem.
Choose every dialog choice with each AI personality.
Gain access to Bosco's secret room.