"Inside Outer Space" is an episode of Walt Disney's Wonderful World of Color. It aired on February 10, 1963.
Ludwig Von Drake gives a lecture on outer space, using footage from Man and the Moon, Man in Space and Mars and Beyond.
"Venus is a planet of passion. People do not cook because they live on air, music, and love."
"The natives of Jupiter is pretty. They do not lie or steal, but is terrified of their giant Jupiter-type horses."
What H.G. Wells theorize Martians would look like. This creature would later appear in the title sequence for Wander Over Yonder
Thoth, a dog-like Martian horse.