Amy, Sheldon and Stephen go the LA zoo.

Amy: Are you excited? Now you will see not only nice birds, but also other kinds of animals. What do you want to see the most?

Stephen: Cats.

Amy: Well, there are lions and tigers.

Stephen: Yay.

Stephen runs through the entrance. He stops in front of the flamingos.

Sheldon: Go ahead, Amy. Animals are not worth exercising.

Amy: He is your son, Sheldon. He is excited. It is his first time at the zoo. I bet you were excited as well.

Sheldon: Touching filthy animals? That was definitely nothing, that I considered 'fun'.

Amy: Come on. Just imagine this was Comic Con, and you could meet Luke Skywalker.

Sheldon: He married us, do you remember?

Amy: So, you don't want to see him again?

Sheldon: I do.

Amy: This is Stephen's Luke Skywalker. Come on.

Amy runs to Stephen, Sheldon follows slowly.

Amy: They have a beautiful color, haven't they?

Stephen: Yes, I love pink.

Amy: And they are also birds.

Stephen smiles: Really? Then they are my favorite.

Sheldon catches up, when Stephen runs to the next animal.

Amy: Let's go. I think he already is no longer afraid of birds. Isn't that a success?

Sheldon: Birds are…

Amy: Sheldon. How can you not like the species that helped Darwin to realize that mutation can lead to improve life by adaptation to environmental circumstances? Evolution is a beautiful thing, not only for biologists. Maybe we should go to the Galapagos Islands.

Sheldon: They can walk, they can fly, and they can swim.

Amy: They are smarter than you that is why you don't like them.

Sheldon: No animal is smarter than I am.

Stephen: Mama, mama, look.

Stephen looks at Meerkats.

Sheldon: Oh, I love those. One is always standing in his spot.

Stephen: Why is he doing that?

Amy: He is observing, so he can warn the others in case a predator comes closer.

Stephen: Is he like security?

Amy: Yes, he is.

Stephen: Can I have one, please?

Amy: I am not sure if that is an appropriate domestic animal. I thought you love cats?

Stephen: I do. Taylor showed me the musical, but they cannot protect me from mean boys and girls.

Amy: Have you been bullied? Who hurt you, honey?

Amy goes down to her knees and hugs Stephen. Stephen releases himself from the hug.

Stephen: I am fine, as long as you or Taylor are around.

Amy: We will always be here and protect you, honey. You can always talk to me, ok?

Stephen smiles: I know. Now show me the other cats.

Amy: Well, there are no cats. Just their name sounds like it. Its origin is Dutch and means guenon. Meerkats are mammals. So, it is a misidentification.

Stephen: Really? They are trickster. Now, I want to see real cats.

Amy: Okay, let's go to the lions.

Sheldon moans.

Sheldon: Why don't we play a video game: a day at the zoo.

Amy: Fresh air is good for you. Think of this as a 3D game.

Sheldon: Oh.

Amy: You are still at home. This is just so realistic. I mean look at the graphics. Isn't this amazing? Let's go, boys.

Sheldon gushes.

Stephen: Yay. Cats.

They walk to the lions and tigers. Even Sheldon is excited now.

Amy: Aren't they impressive?

Stephen: Yes. I like their beards.

Amy: It is their mane.

Stephen: They are fluffy and strong. I love them. Can I get a lion?

Amy: That is definitely an inappropriate animal to keep at home. He is wild, and can be dangerous. He might attack you and he needs lots of space.

Stephen: Why would he attack me? Is he rude?

Amy: No, he is just a wild animal. He hunts.

Sheldon: Cats eat birds, so maybe they are the only animal I can tolerate. Or we get something in a cage. Or a fish. They are clean.

Amy: Why don't we go to the birds next? See canary birds in the aviary. What do you think?

Stephen: Yay.

Stephen smiles and starts running.

Sheldon: How does he know where to go?

Amy: How do you know where every booth at Comic Con is?

Sheldon: I checked the plan in advance, and prepare myself. My eidetic memory helps me.

Amy: Do you remember Darwin? Let's go to the birds.

In the aviary, birds fly over Amy, Sheldon and Stephen's heads. Sheldon holds Amy with both his arms and walks very close to her.

Stephen: Their colors are beautiful.

He runs around.

Amy: Sheldon, as much as you love that you love being so close to me, but we need to catch up with Stephen or he will get lost.

Sheldon: He is a smart kid.

Amy: And you are no smart man?

Sheldon lets go of her, just holds her hand.

Amy: I am smart. I am not afraid of birds.

A bird flies directly over him and he squeaks. Amy laughs.

They leave the aviary and Stephen gets a Churro to eat.

Amy: This was a great day. We should do that again.

Stephen: Yay.

Sheldon: You tricked me into this. This is not like Comic Con. I am not at home playing a 3D video game. Even Darwin made an extraordinary discovery, I will never like birds, and not because I am inferior. I am smart. You trick me. I don't like that.

Amy: Oh, come on. You had fun, hadn't you?

Sheldon: That is not the point, Amy. You make fun of me. You do not respect that I don't like the zoo. There is nothing wrong with that. I like things, nobody else does. It has always been that way.

Amy: Sometimes it is great to get out of your comfort zone. Do new things. I loved finally having friends. I thought I would be alone, and now I have the best two men I can imagine. I love you. I just want you to be happy. I do things because you like them. I don't like Comic Con, but promised to join you this year, because I love to see your smile.

Sheldon: You make it hard being mad at you.

Amy: Then don't be.

Amy smiles and they kiss. Amy looks around, gets worried when she doesn't see Stephen.

Amy: Where is Stephie? Stephie. Stephie. This is all your fault. If I will lose my baby… You cannot distract me like that.

Sheldon: I am sure we will find him soon. He cannot be far. Where would I go?

They go to the nearby souvenir shop and find him holding a koala bear and a monkey plushie. Amy runs to him and hugs him.

Amy: There you are. You scared me. Why did you run away?

Stephen: You said I cannot get a real animal, so I thought maybe one of these. And they don't fight. Koala and monkey love each other.

Amy: I am sorry, honey. Your Dad and I were not fighting. Your Dad just misinterpreted my actions.

Stephen: Like the meerkat being a mammal instead of a cat?

Amy: Similar to that.

Stephen: But you will keep looking out for me?

Amy: Of course. I am here, and I always will be. You are the center of my universe.

Sheldon: Hey. What about me? Without me, your center would not exist.

Amy: See, your father is jealous. Give him some love.

Stephen runs to Sheldon and hugs him.

Stephen: I love you, Daddy. I am sorry I touch you without wearing gloves.

Sheldon lifts him up and carries him on his arm.

Sheldon smiles: That is all right. You are one of a very few people who can touch me anytime, because you do, even when you don't put your arms around me.