In this segment, a cruel gossip columnist—who takes pleasure in ruining reputations—receives a mysterious diary that begins to record future events rather than past ones.

If this is not related to Night Gallery , the term "4SD" and "Diary" frequently appear in technical and academic contexts:

: "4SD" likely refers to the Standard Definition (480i) version of the episode, which was the original broadcast format. While modern restorations (HD/4K) offer better clarity, the SD version maintains the grainy, atmospheric aesthetic of 1970s television that many fans prefer for horror.