Printed in Smash #45-#49, December 10, 1966 - January 7, 1967.
The Chief has sent Larry on a mission to rescue kidnapped Professor Pye who has been snatched by the dreaded Cuckoo Crowd, led by Dr. Goole [who looks a whole lot like Dr. Doom].
Note: this issue marks the switch to longer cliff-hanging adventures told over several issues, two pages each.