RJ's Heel–Face Turn, when he realizes that the rest of the animals really were his family.
RJ: But I already had that.
Vincent: What, them? Who are you kidding? You said it yourself, you're a family of one. Trust me, you don't need them.
RJ: Actually, I do. ... And right now, they really need me!
Towards the end of Hammy's Caffeine Bullet Time scene, we pan up to see that Verne managed to slip his shell onto RJ just in time to save him from being devoured by Vincent.
After Heather is kicked into a wall and Ozzie mourns her apparent death, she wakes up and says that she "learned from the best".
When Tiger reveals how he feels about Stella, you can tell that she's really touched.
The fact that Verne was the first to forgive RJ for betraying the group after spending most of the movie being very cautious of him.
After RJ inadvertently reveals how the food they're stealing is for Vincent instead of them and leaves everybody stupefied, he reaches for the Spuddies and falls after slipping on the wine bottles along with Verne...but before they both fell, Verne reached out and tried to grab him. Even though RJ's just admitted that he's been dishonest with them, proving that Verne was right about him all along, Verne doesn't care. He still considers him a friend.