The Flintstones' mammoth is called Henry, the vet is Dr. Petstone, and the medical doctor is Doc Sliprock.
Wilma mentions Fred's last invention, that turned out to be glue. 'Glue for Two' aired April 22, 1963. The TV star agent, although unnamed, is Bobby Rockly, Ann-Margrock's manager.
This episode was recorded on 4-15-64.