What was the last episode of victorius?

The last episode of "Victorious" is titled "Victori-Yes," which is the 15th episode of the fourth season. It originally aired on February 2, 2013. In this episode, Tori prepares for a big performance at an awards show while dealing with the potential end of her time at Hollywood Arts. The series concluded with Tori's journey emphasizing her growth and achievements as an artist.