Harris, Ayers and Alcala deliver a fairly goofy issue with Kamandi - the Last Boy on Earth 53 (Oct/Nov 77).
While continuing on the trial of Ben Boxer, Kamandi and Spirit come across a lake with a living brain, apparently swamp bacteria activated by cortexin, as well as some catnip addicts. There is a dealer, Maynard, and a bag of catnip which becomes the treasure they all want.
We briefly see Pyra and Dr Canus flying in search of the energy source she is looking for, and Bloodstalk questioning Kamarni and his tribe, lying about the reason they are tracking Kamandi.
But most of the issue is devoted to the catnip addicts. Kamandi tosses the bag into a tree above the living brain, and Maynard gets stuck in the middle of the lake. It's clear that all the catnip people could easily avoid being attacked by the brain, but all are obsessed with getting the catnip.
The story continues in the next issue.