She was at the Agency meeting while Agent P retrieved an important disk. She sang a song with the other agents and Monogram. Agent C also tried to eat another agent, Agent W, a worm, but got stopped by Monogram. Whether this was just to tease the little agent, or that Agent C's natural instinct was making her attack her own ally is unclear. ("Traffic Cam Caper")
During the 2nd Dimension Doofenshmirtz's attempted takeover of the 1st Dimension's Tri-State Area, she and the other agents ambushed a group of Norm Bots. The agents were quickly defeated, but got saved by Perry who in turn is saved by Phineas. She helps fight off the invasion in the side car of the Holy Mackerel while Albert drove the motorcycle. (Phineas and Ferb the Movie: Across the 2nd Dimension)
- According to her secret file, she has a tendency to bob her head while walking and should avoid joint missions with worm agents. (Where's My Perry?)
- She's the only agent who is talented and tasty over rice. (Agent P's Guide to Fighting Evil)
- "It's About Time!" (First appearance)
- "Traffic Cam Caper"
- "Robot Rodeo"
- "Rollercoaster: The Musical!"
- Phineas and Ferb the Movie: Across the 2nd Dimension
- "Phineas and Ferb Save Summer"
- "O.W.C.A. Files"
- Where's My Perry? (Agent File)