The Big World of Little Adam was a series of television cartoons that debuted in syndication in 1964.
[1] In the early 1960s, producer Fred Ladd acquired a large number of NASA documentary short subjects and packaged them as 110 five-minute episodes.
Inexpensive animated wraparounds, featuring the inquisitive Little Adam and his older brother Wilbur, were added to open and close the segments.
[2] The episodes were made available in syndication either as half-hour blocks or individually, often appearing interspersed within blocks of cartoons on local TV stations.
[3] Little Adam's voice was performed by John Megna; Wilbur was played by Craig Sechler.