Teacher's Pet
originally aired on ABC
The series follows a 9-year-old boy and his dog who dresses up as a boy. It was broadcast on ABC from 2000-2002. A feature-length film adaptation was theatrically released in the United States and Canada on January 16, 2004, which serves as a finale to the television series.
The series follows Leonard Helperman, a 9-year-old boy in the 4th grade, who lives in fear because his mother is his teacher. Because of this, he is often mocked and called a "teacher's pet", but he wants to be considered normal. Meanwhile, his dog Spot misses Leonard while he is at school, and yearns to be a human boy. So on the first day of the school year, he decides to come to class disguised as a new student named Scott Leadready II.