Biological parents jokes
Son: Dad, I have black skin and you have white skin, are you sure you're my parents?
Dad: Oh... well I never thought it would come to this, or to your head that you were kidnapped...
Son: Am I kidnapped?
Dad: Well, you're adopted, and if you want to see your biological parents, they’ll be waiting for you in heaven.
Kid #1: You're adopted.
Kid #2: At least they wanted me.
Kid #1: Did your real parents want you?
What does Batman have that Superman doesn't?
The ability to visit his biological parents' grave.
Cousin: Hahaha, I am their biological parent.
Kid: So what? At least they love me more.
Walk up to an adopted kid and ask this, "How's your biological parents? Are they well?"
Father: "Son, you were adopted."
Son: "What?! I knew it! I want to meet my biological parents!"
Father: "We are your biological parents. Now pack up, the new ones will pick you up in 20 minutes."