The Flashback Technique: How to Fix Broken D&D 5e Sessions in Real Time
By Helm Evans | Tuco Enterprises
Every GM has been there. The party walks past the obvious clue. The rogue forgets to check for traps — again. The paladin charges alone into a room you clearly telegraphed as deadly. And suddenly, your carefully crafted session is careening off the rails.
Most GMs either fudge the dice, railroad the party back on track, or let the consequences play out into a frustrating TPK. There is a better way. It is called the Flashback Technique, and it is the single most versatile tool in any GM emergency kit.
What Is the Flashback Technique?
Borrowed from screenwriting, the flashback technique lets you pause the current scene and rewind to show what actually happened — or what should have happened — from a different angle. In practice, it means narrating a brief cutaway that retroactively changes the context of the present moment.
Here is the key: you are not retconning. You are revealing.
Three Ways to Use It
1. The You Actually Did Check Flashback
A player forgets their rogue has Trap Sense, or the wizard does not cast Detect Magic on the suspicious chest. Instead of letting them walk into disaster, hit pause:
Hold on — let us rewind for a second. Elara, you did run your fingers along the lock before touching the lid. You notice a hair-thin wire connected to the hinge. What do you do?
You are not giving them a freebie. You are reminding them of their own capabilities in a way that feels cinematic rather than corrective. The player feels clever, not babysat.
2. The Meanwhile Flashback
The party splits up (of course they do), and one group is in a boring corridor while the other is in the exciting fight. Use a flashback to keep everyone engaged:
While Kael is wrestling with the otyugh, let us cut back to Vex and Dorin in the corridor. You hear the crash from the chamber behind you. What do you do?
This keeps all players invested and prevents the classic I am just walking down a hall for ten minutes problem.
3. The Hidden Truth Flashback
This is the advanced move. The party makes a decision based on incomplete information. Instead of punishing them, you flash back to reveal what they would have seen if they had investigated differently:
Before you open that door, let me show you something. Three nights ago, in this very room, the cultist you are about to ambush was writing a letter. It reads: The ritual is a distraction. The real target is the mayor is daughter. Now — you are standing at the door. What do you do?
This does not erase their choice. It deepens it. Now they have to decide: proceed with the ambush, or pivot to protect the mayor is daughter?
When NOT to Use It
The flashback technique is powerful, but overuse kills tension. Do not use it when:
- Consequences should matter. If the fighter charges in recklessly, let the dragon bite.
- Players are making informed choices. If they chose to ignore the warning, respect that.
- It becomes a crutch. If you are flashing back every session, your prep might need work.
The Golden Rule
Flashbacks should add drama, not remove it. Every flashback should make the present moment more interesting, not less. If the flashback makes the situation simpler, you are using it wrong.
Try It This Week
Next session, pick one moment where the game stalls or a player makes an obvious mistake. Instead of correcting them out of character, hit pause, rewind, and narrate a flashback. Watch how the energy at the table shifts.
The flashback technique does not just fix broken moments — it turns them into the most memorable scenes of your campaign.
Want more practical GM tools? Check out the Campaign Rescue Kit series on the Tuco Enterprises blog, or grab the Dark Fantasy Encounter Seeds pack for your next session.