|"3rd Grade Male Dog (Number 3)" is not an official name.|
|3rd Grade Male Dog|
|Cartoon debut||Arthur's Eyes|
3rd Grade Male Dog is an unnamed third grader who made his first appearance in the episode "Arthur's Eyes".
He is often seen in the background at lunch, in the hallway, or at the playground. While his personality is not known he appears to get along with all the other kids.
He spoke once during the episode "The Scare-Your-Pants-Off Club", when he and his friends were clapping for the act being performed by Arthur and Buster.
3rd Grade Male Dog is a dog with a cream complexion. He wears a white collared shirt, long red pants, and brown shoes. He has black strands of hair.
During the winter he wears a black sweater with long white sleeves. In the episode D.W.'s Backpack Mishap he wore red and white colored swim trunks.
His personality is not known, since he is a background character, but he appears to be nice to other kids.
- Season 1
- Arthur's Eyes 10101
- Arthur and the Real Mr. Ratburn 10201
- Arthur Accused! 10602
- Arthur Goes to Camp 10701
- Arthur's Birthday 11001
- Arthur Writes a Story 11201
- Arthur's Lost Dog 11202
- Arthur and the Crunch Cereal Contest 11601
- Arthur, World's Greatest Gleeper 11702
- Team Trouble 12202
- Bully for Binky 12301
- I'm a Poet 12801
- The Scare-Your-Pants-Off Club 12802
- Season 2
- Season 3
- The Ballad of Buster Baxter 30102
- Sue Ellen and the Brainasaurous 30302
- And Now Let's Talk to Some Kids 30402
- Revenge of the Chip 30502
- Arthur Rides the Bandwagon 30701
- Dad's Dessert Dilemma 30702
- Arthur's Almost Live Not Real Music Festival 31102
- What Scared Sue Ellen? 31201
- Arthur's Dummy Disaster 31301
- The Long, Dull Winter 31502
- Season 4
- Season 5
- Season 6
- Season 7
- Season 8
- Season 9
- Season 10
- Season 11
- Season 12
- Season 13
- Season 14
- Season 15
- Buster's Carpool Catastrophe 150602
- The two competed in the three-legged race at Camp Meadowcroak.
- They have been seen talking together in various episodes.