Dark Shadows - Season 5 Episode 46 : DS-413 1971

Victoria warns Naomi Collins that she must keep her daughter, Sarah, from leaving the house until the day after her birthday, otherwise, she is fated to die from exposure on the same day as her birthday. Barnabas makes plans to keep his promise and let Josette know that he has returned from the dead. On his way back to the family mausoleum, Sarah sees Barnabas and eagerly runs after him, only to find that he has disappeared inside the crypt. Saddened to have missed him, Sarah turns to leave the mausoleum but finds herself locked inside.