R.L. Stine's The Haunting Hour

Season 1

Episode 16: Wrong Number

The two meanest girls at school, Steffani and Taylor prank call the next door neighbor, Mrs. Biazevich and warns them to be nice girls and she dies the next day as Steffani starts receviving text messages of telling her to be a nice girl but then finding out the calls are coming from Mrs. Biazevich's phone as her spirit is haunting them as Steffani and Taylor are visited by her spirit and is is about to let them go but Steffani is still very mean so Mrs. Biazevich traps Steffani in a video in her cellphone and sends it to her granddaughter, Adriana, the girl Steffani and Taylor make fun of at school. Adriana sneers at Steffani trapped in the video and deletes the video, effectively erasing Steffani from existence.