"Mystery of the Missing Manhunters"
When Batman disappears, reappearing 13 days later with no idea of where or what he was doing, Robin knows he has to get to the bottom of it. Using some of the Batcave's equipment Batman allows himself to be hypnotized to be able to recall and recount those 13 days.
"Caps Hobby Hints"
Using a hair comb to pound nails.
"The Boy Wonder's Boo-Boo Patrol"
Robin accidently upsets filming of some movie scenes, thinking an actual person is in danger. Trying to make amends he finds that someone is trying to do in the lead stunt-woman.