The series ended in 2003 after its fourth season .
In 2000 , The WB Network launched the X-Men : Evolution television series , which portrayed the X-Men as teenagers attending a regular public high school in addition to the Xavier Institute .
The series ended in 2003 after X-Men 's fourth season .
In 2000 , The WB Network launched the X-Men : Evolution television series , which portrayed the X-Men as teenagers attending a regular public high school in addition to the Xavier Institute .