Are You Afraid of the Dark? (1992)

S2E3 The Tale of Locker 22

In the 1970s, a girl named Candy Warren had to stay after school to finish her Chemistry homework. Unbeknownst to her and her teacher, the gas line on her Bunsen burner was damaged. This oversight led to a tragic accident that took Candy's life. Fast forward to the present, a new student discovers Candy's old locker, only to be confronted by the lingering spirit of Candy, who begins to haunt her.