She is first seen listening to hip-hop on her headphones when she leads Dr. In the episode, it is revealed that she is roommates with Octavia Melody. She helps Octavia spice up the music she plays for the wedding. In the original script, she had some speaking lines, but she was made mute at the insistence of Hasbro originally she and Octavia were not roommates, but this was also requested by Hasbro. She and Octavia appear during the final group shot in The Cutie Re-Mark - Part 2. In No Second Prances, DJ Pon-3 is referred to by name when Twilight Sparkle suggests that Starlight Glimmer become friends with her. She later attends Twilight's dinner party at the Castle of Friendship. She appears in A Hearth's Warming Tail in the story within the story as a musician at Snowdash's party spinning the gramophone alongside violinist Octavia. In The Saddle Row Review, it is revealed that DJ Pon-3 has her own dance club in Manehattan.
In 28 Pranks Later, she briefly appears in a background shot of Ponyville as a 'zombie'. In Celestial Advice, she plays the music for the party. In It Isn't the Mane Thing About You, she appears next to Octavia at the Ponyville marketplace. In Uncommon Bond, Starlight Glimmer talks to DJ Pon-3 about her friend Sunburst, oblivious to the fact that she is listening to music on her headphones.