Episode 31 – Invisible Zooble

Zoobilee Zoo (1986)

Zoobilee Zoo is an Emmy Award-winning children's television series featuring costumed performers dressed as animal characters. It originally aired from 1986–1987, then in syndication until 2001 on several television channels including commercial network television stations, public television stations, The Learning Channel, and the Hallmark Channel. Generally the plot of each episode consists of the main characters, called Zoobles, encountering difficulties usually common to young children and then learning a moral lesson about dealing with such problems, such as being apprehensive of going to a doctor or learning to appreciate others.

More details at TMDb.