Lion King, The: Simba's Big Secret Lion cubs Simba and Nala are the best of friends. They chase bugs together, splash in the water hole together, and even tell each other secrets. One day, Simba accidentally tells his dad one of Nala's secrets, and she finds out! After that, Nala has a hard time trusting Simba again. But a few weeks later, Nala tells Simba another secret, and this time, he is determined to not tell anyone. Should Simba keep Nala's secret, even if it means his friend could be in danger?