The Tale of a Door Unlocked
S5:E12
1996
IMDb
Justin visits Sardo's Magic Mansion and buys a miniature door from Sardo that's supposed to let him see the future. He sees an unfamiliar girl trapped in a fire. But soon a new girl, Ashley, arrives at school and looks exactly like the girl that Justin saw in the fire. It's up to him to save her from the future.