Tarzan

Season 1, Episode 28, The Circus, aired March 24, 1967. Tarzan leaves Jai in Dutch's care when he's asked to help look for a dangerous criminal. Bellak and Ilona, who run a small circus, let Jai and Dutch join them but they become curious about a man whose face is covered. They soon need Tarzan's help.

At 09:12, Jai walks around the circus backlot and watches a young boy clown juggle a 2 ring shower, while an adult clown juggles 3 clubs, seen for 18 seconds.

The entire movie may be seen here.