Ursula's mother: When Lyle returns, this wedding will proceed as planned. If you do anything to upset that, I'll remove your reason for wearing a loincloth.
Narrator: And so, onward and upward the tired trekkers trudged on feverished footsies over perilous paths. When they beheld the mighty Ape Mountain, the reacted with awe.
Group: Awwww.
Narrator: I said, "Awe." A-W-E.
Group: Ooh.
Narrator: That's better.
Narrator: But his rapturous rendezvous with the urban heiress was to be short-lived, Kwame and his men were drawing dangerously close! That is, dangerously close to shoving a coconut up Lyle's... sleeping bag.
Narrator: Don't worry. Nobody dies in this story. They just get really big boo-boos.
Narrator: Meanwhile, at a very expensive waterfall set.
Ape: "George's secrets." There's the shortest book ever written.
Beatrice Stanhope: Arthur, I wish you would do something about all these monkeys. I feel like Jane Goodall.
Ape: Madam, I knew Jane Goodall and you are no Jane Goodall.
Thor: I'm chafing, Max. I'm chafing big-time.
Max: Didn't I tell you not to wear twenty pounds of black leather in the jungle? Didn't I tell you? Cotton, I said. Cotton breathes.
Max: Thor, were you fighting with the Narrator?
Thor: Well, he started it.
Narrator: Did not.
Thor: You did too.
Narrator: Did not.
Thor: You did too.
Narrator: Did not.
Thor: You did too.
Max: Thor, stop it.
George: Sleep sweet, Ursula.
Ursula Stanhope: Sleep sweet, George.
Answer: They never mention what ultimately happens to his parents. However it's mentioned they "searched high and low" for George and never found him. The animation even shows all the passengers calling out for George, to suggest they also aided in the search.
Bishop73