"The Plants of Plunder!"
Batman and Robin meet a gang of thieves who use the powers of alien plants in their robberies.
"The Secret of Mystery Island!"
Batman, Robin, and a gang of crooks search an island for the loot of a dead criminal.
"Batman Becomes Bat-Baby!"
A criminal scientist turns Batman physically into a four-year-old with a ray of his own devising, but Batman modifies his costume and continues to fight crime as Bat-Baby.