The 2 deaths in this episode brings the total for the series to date to 47 which is the tally up until the end of Season 3.
Barnaby: What were you doing there at night?
Ms Bunsoll: Insomnia. I often walk at night.
Troy: In a graveyard?
Ms Bunsoll: I have so many friends there!
Barnaby: So there you are, 'chatting away' with a few old friends... then you hear Marcus scream, you run over and you find him... dead?
Ms Bunsoll: No, not dead. Merely murdered!
Barnaby: Oh yes, 'dead' is an 'un-word'... Did you see anybody else while you were there?
Ms Bunsoll: Such as?
Barnaby: Well, I had in mind his 'un-killer'!
Barnaby: Rule number... which is it, Nico?
Nico: Seven, sir.
Barnaby: Never use your indicators. Keeps the other drivers on their toes.
Barnaby: (to a dog) You are sitting in my chair. You are sitting in my chair and you are probably wearing my socks.
- Chenies, Buckinghamshire
- Chipperfield, Buckinghamshire
- Ewelme, Oxfordshire (Aspern Tallow)
The murder victims:
1. Marcus Lowery - beaten to death with slide projector
2. James Tate - bludgeoned to death
Beyond the Grave was filmed on location around the village of Ewelme, Oxfordshire. The big house used for The Museum was Chenies Manor, Buckinghamshire. (It had previously been used for filming in the episode Judgement Day).