When an alien sends Batman a robot as a thank you, it seems a nice present. Later, it begins to interfere with the Caped Crusaders crime-fighting when it keeps trying to save Batman. At which point, Batman decides something has to be done.
"The Crimes of the Ancient Mariner"
When an old mariner gathers a gang of criminals to commit piracy on the high seas, Batman investigates.
"Ruler of the Bewitched Valley"
While searching for a missing detective, Batman and Robin stumble onto an enslaved village. As they investigate, they encounter an "Aztec God" and his "magical" creatures.