John Van Helsing wrote:
Dr.Strange was Marvel surely,Cap? Hugo is DC or was copyright not that serious back in the sixties?
JVH

Well, yes, Dr. Strange is Marvel.  I thought he referred to himself as "Dr. Hugo Strange" in the episode, which made me think of Dr. Strange.  Oh, nevermind.

"The important question is not, are there aliens on other worlds? No. The important question is, do they have ray guns?"