Bringing a whirlwind of fluff and non-stop energy—a hyperactive kitten—into a home ruled by a placid, older resident cat can feel like setting the stage for a feline feud. The conflict is clear: The kitten needs constant play, exploration, and hunting practice (often directed at the older cat), while the older cat desires only its established routine, comfort, and peace.

The good news is that successful integration is absolutely possible. The key is recognizing the mismatch and relying on controlled exposure and managing the kitten’s energy before physical interactions. You cannot force them to be friends, but you can create an environment where a peaceful truce—and eventually friendship—can flourish.

🏠 The Essential Pre-Introduction Phase

Do not let the kitten and the older cat meet face-to-face immediately. A stressful first encounter can permanently damage their relationship.

1. Establish the Sanctuary Room:

The kitten’s arrival day starts in a secure, separate “safe …