Urko has been relieved of his duties for three months because of his recent negligence involving his leadership and the failed attempts at capturing Blue Eyes and the rest of the humans.

Reports pour in to the police that burglars are striking all over Ape City. In fact, the burglars are General Urko and his troops, who hope to frame the Underwellers for the crimes.

Bill and Jeff, realizing that most of their plane's fuel was used up fighting the flying monster, set out to locate a new supply. However, Nova becomes ill during the trip and Judy hurries to Ape City in a race against time to get a cure for Nova.

Residents of Ape City awaken one night to the sight of a huge flying object attacking the city. Urko believes the humans are behind the attack and orders his troops to track down those responsible and capture the object.

Bill, Jeff and Judy begin building rafts to help the human tribes reach New Valley. Going through a nearby jungle, the trio encounter a very unlikely sight: a wrecked US spaceship and its pilot, Ron Brent.

Bill, Jeff and Judy are heading for the human settlement across the plain between the mountain ranges when they spy human shapes far below. Are they about to encounter more free humans or individuals that are dangerous to all three?

Bill and Jeff discuss the best means of eluding Urko's troops that are pursuing them, and Judy, relentlessly.

During an archeological dig on an ancient ruin, Cornelius uncovers an ancient, human-made book entitled 'A Day at the Zoo'. Needless to say, the images and words inside could lead to much trouble for man and ape alike....

The Simian Senate convenes a secret session to discuss an event that could have direct effect on ape society - one of Urko's soldiers, returning from a journey into the Forbidden Zone, babbling about intelligent humans.

Overcoming fears of being caught, Bill and Jeff move the humans from the warpath of General Urko and his army. Will the two be able to help the people get to a new home before Urko catches up to them?

Urko and his gorilla army set out into the desert in search of the secret entrance to the Under-dwellers caverns. Will they succeed or can they be stopped before it's too late?

General Urko's gorilla army launches an attack on the humanoids' caves and Jeff is nearly killed as a result. Jeff is able to hide with Nova in the hopes of evading capture by Urko's troops.

A trio of astronauts are thrusted forward in time and space. They find themselves fugitives after crash landing on the Planet of the Apes. Can they survive a relentless pursuit?