La familia Ingalls 3x14

The school children are allowed to put on plays in groups. Laura and Mary work with Ginny Clark, a student who has no father. Ginny wants her mother to date, but her mother, Della, doesn't believe she looks good enough. Ginny sells her long beautiful hair so she can buy her mother a new dress. Della at first accuses Ginny of stealing money until she sees that her daughter has cut her hair.