"In the Dark" is the first episode of the second season of the animated series based on the books of the same name, The Berenstain Bears. It originally aired on CBS on September 13, 1986. It makes suitable viewing for Halloween.
Brother reads a scary book to Sister. Afterwards, Sister gets the creeps, so Mama tries to help leaving the light on for Sister, which causes inconvenience for Brother. Then Papa shows Sister how to overcome her fear by heading up and into the attic.