"Mark Calls Charlie Brown Costello" is the 41st episode of the first season. The Rifleman. And this episode was on November 18, 1959.
Cast: Chuck Connors as Lucas McCain Johnny Crawford as Mark McCain Petter Robbins as Charlie Brown
Lucas McCain: Okay, son. I am going to the church to see the choir. The choir are going to sing you a song called the national anthem with the whole audience, and you had to be on your best behavior. (angry voice) But if you call me Costello one more time, I will ground you!
Mark McCain: Thanks, Pa!
Lucas McCain: Okay, Bye! I will pick you up after the National Anthem!
Mark McCain: Now here's my final chance. Hey, Costello! How are you doing fine?
Charlie Brown: (gasped) What?! Did you just call me Costello?!
Mark McCain: Yeah, I did, Costello.
Charlie Brown: (angry voice) PLEASE DON'T CALL ME COSTELLO! MY NAME IS NOT COSTELLO! MY NAME IS CHARLIE BROWN! If you call me Costello one more time, I will call your father.
Mark McCain: Okay, whatever, Costello.
Charlie Brown: (angry voice) That's it! I'm going to call your father to pick you up right now! (on telephone) Hello, is this Lucas McCain? Yes, your son kept calling me Costello and I don't want to see him again. Can you please come pick him up? Thank you. Bye! Your father is on his way over.
Lucas McCain: (angry voice) Son, how dare you call Charlie Brown Costello! That's it! We're going home right now!
Mark McCain: (crying) WAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA! PA, CAN I COME BACK?
Lucas McCain: (angry voice) NO SON! YOU CANNOT! WE'RE GOING STRAIGHT HOME, BECAUSE YOUR SON KEPT CALLING CHARLIE BROWN COSTELLO! CHARLIE BROWN WAS THE WORST CHARACTER FROM THE 1950's. YOU WERE GROUNDED FOR NOTHING! GO BACK TO YOUR BED RIGHT NOW WHEN WE GET HOME!