Heartwarming / Escape from the Planet of the Apes

• After the death of their friend Dr. Milo, Zira and Cornelius meet a kind animal psychologist name Dr. Lewis Dixon. After explaining to them sincerely that the people will not harm them, they both expressed gratitude at the good doctor.
  Zira: "May I say something personal please? [smiles] I like you."
  Cornelius: "I have from the beginning."
• The introduction of Armando, the friendly circus owner. He loves animals and would do anything to help the apes that need protection.
• The callback to Zira kissing Taylor in the first film. "You're the second human I've kissed."
  • "...And you are the first."