Professor Gunderson, Kasim and others in “Riddle of the Gold”

Oooh, if Dr. Quest is here, he is in grave danger. These people are ruthless!

As usual, professor, you are correct. I regret you are so inquisitive, boys. Now I cannot permit you to leave.

Oh, we're not afraid! Just wait till Dad and Race get here!

Exactly. Since he survived the tiger hunt, Dr. Quest's next move should be to come here, looking for you!