Goofs

When George is showing Ursula how to "swing, swing, swing", Ursula is not wearing the cereal box ring on her right hand - a ring she found and has worn since she was 10. She removes it from her right ring finger several scenes later when she gives it to George in the tree house. (This is because the "vine swinging lesson" scene was meant to come before the scene where Lyle finally finds Ursula, taking place after Ursula gives George the ring, which is seen on his "neck crown" during the lesson.)

When Ursula swings on the vine to help George she slams into a tree. On the way back she is wearing a vest. When George reaches up to catch her she has no vest. When he is holding her in his arms the vest appears again.

When George is about to make the mega-swing over the river, there is a vine ready for him to use. Cut away and then back and we see the Tookie bird bring him the vine to use.

At the beginning of the dance scene, when George lifts Ursula to the fire, she is seen wearing only socks, whereas the scene before and the rest of the scene show her wearing her boots.

George's over-coat disappears and reappears between shots after he leaves Ursala's apartment (after eating the coffee).

Although Bujumbura is a real place (the capital of Burundi), the flag flying over the Bujumbura jail was not the Burundi flag. Instead, it is just a simple tricolour in the Pan-African colours of red, yellow and green, which is actually the Ghanaian flag sans star.

After George eats coffee and runs around San Francisco, he hops aboard a cable car just outside the lobby of the Fairmont hotel, on Mason street. There is no cable car that runs on Mason street.

When George is showing off to Ursula by vine swinging and he swings past saying "look no hands", there is what looks to be black duct tape keeping his loincloth up.

As George slides down the tree during the first Ursula rescue, you can see the white elastic band under George's loincloth when he has his unfortunate encounter with the tree branch.

George's faithful dog (Elephant) Shep should be an African elephant, but he is really an Asian elephant. This fictional African elephant is obviously part of the African forest species.

The branch that George Jr. walks into has a visible seam running down it from the molding process.

Just before finding Ursula Lyle falls face down in elephant poop, covering his face wetting his hair and shirt but the next shot when he finds Ursula he is completely clean and his hair and shirt are dry.

All the trees that George swings into are rubber trees; except for the one that he swings into before saving Ursela from Lyle.

When the guides are talking about Lyles "magic pictures", one of them says how he prefers the "resolution of his Zeiss 35mm" in Swahili. This is translated incorrectly by Kwame as the "resolution of his Leica 35mm"

A crew member is visible behind a tree as Ursula exits the tree house elevator.

When Lyle and Ursula are going down the rapids you can see a kayak waiting below.

When Lyle and Ursula are going down the rapids, the shadow of a camera is visible.

The shadow of the crane operator is visible on the sidewalk when George is running on the red brick road after he leaves to save Ape.

In the first exterior shot of George's tree house (just before he and Ursula arrive), a ladder and crew member as visible on the right side of the screen through the branches.

Shep is clearly an Indian elephant, none of which are found in the wild in Africa. The two species that inhabit Africa would be bush elephants (residents of Africa's savanna grasslands) and forest elephants (residents of African jungles).

Toucans and capuchin monkeys are found naturally only in the Americas, orangutans, rhesus macaques, gibbons, and Indian elephants are found naturally only in Asia, and Sulfur Crested Cockatoos are found naturally only in Australia.

A lion attacks Ursula (and George rescues her) in the jungle. In reality, lions naturally inhabit Africa's savanna grasslands and sparse forests. They are not found in its jungles. The big cat species that naturally inhabits African jungles would be leopards.