Fright Night is a messy game show by Forth Television based around the theme of a haunted castle. The host is a grey caracal called Ven Johannes who plays a character called Doctor Payne, and wears a white lab coat with stains of unknown origin throughout the show. Games are set in the castle's array of laboratories, dungeons and habitats of strange creatures.

Two teams of two players, coloured green and yellow, compete against each other in a series of three Halloween-themed games as they move through the castle to the Dragon Den in the centre. The castle is said to change shape every time it's explored, so the route to the den is different each time - therefore the games played are different in each episode. The route is shown between rounds on a slot machine-like display, with the players pulling a lever to stop the next reel and reveal the next game.

In each game, the players have the aim of amassing eyeballs to add to their collection - the green team collect goat-like green eyes and the yellow team's eyes are oval-slitted and snakelike. After the first two games, the players have the opportunity to gamble their collected eyes in a game called Eyeball Roulette, where each team can offer up to three eyeballs to spin on a wheel. If an eyeball lands in a slot the same colour as itself, then the team get that eyeball back plus two bonus ones - if an eyeball lands in the opposite colour then it is given to the other team.

After three games have been played, the final round takes place outside the Dragon Den. The team's collected eyeballs are now represented by balloons of similar eye-like appearance filled with white gunge, and the objective for each team is to destroy as many of the other team's eyeballs as possible.

The winning team is the one with the most eyeballs left over at the end of the final round - they get a chance to compete for a set of prizes either by going by themselves into the show's infamous Dragon Den located at the back of the set, or sending the losing team in in their place.

One player from each team is seated in the centre of a large coiled snake prop, with the snake's mouth arching over their head. The other players have to hunt among steam, vines and pools of slime in the rest of the room for eggs, and throw them to their trapped partner. With each egg successfully caught, the opposing team's trapped player gets a burst of gunge from their snake's mouth overhead.

A player from each team has to run back and forth down a hall among glowing balloon ghosts to collect items and put them in their own bucket. At the back of the stage, their teammates are each seated beneath much larger ghost props - if a balloon is touched by one of the running players, a payload of slimy "ectoplasm" is dropped on their partner.

A player from each team stands in an upright coffin-shaped chamber, with a lid on the ground in front of them piled with coloured shaving foam. The free team members have to construct winches by finding the pieces around the room and piecing them together, then pull on the rope to swing the lid shut on the opposing team's player, splattering them with a full body size pie.

All four players sit in round clear vertical tubes that are arranged in a square "rack" that can rotate around, with the teammates sitting diagonally opposite one another. Two players at a time are rotated to the front two positions, beneath a pair of gunge pods. The two of them have to use hand buzzers to answer a question from the host - if a player gets the question wrong, or is beaten to the correct answer by the other player, they're gunged and their tube fills up a little.

The tubes then rotate a quarter turn to send the winner of the round off to the back, with the loser of the round being kept on to answer a question against their other neighbour. On each gunging the tubes fill first to calf height, then tummy height, then chest height - after being gunged three times, that player is out of the game.

For the show's finale, the team with the most points can either choose to send the losing team into the Dragon Den or face it themselves. The pair of contestants is seated in a large cauldron that is dragged through the artifical cave entrance at the back of the set. In here, they find themselves slowly being rotated underneath a set of large prop dragon heads aimed down at them, which one by one spew "bile" and other fluids down on to them through their nostrils and mouths, covering them in gunge and filling up the cauldron around them. Under the onslaught, they have to answer five questions from the host correctly to earn their freedom again, with score being kept with a set of five glowing lanterns mounted on the cave walls.

The gunging sequence can be altered on the fly, to position contestants beneath the maw of a dragon and gunge them directly for a wrong answer, or to just let the pouring gunge be a random distraction from the questions.

Fright Night was invented for writing scenes in the Dragon Den, a setting that didn't require a lot of setup around it and which could be used for more intense, chaotic gungings. Its aesthetic comes from similarly themed game shows like Terror Towers or It's Torture.

• Dragon Den - Gwen and Isla
• Dragon Den - Ros and Zavi
• Fright Night - Episode 2
• Fright Night - The Curvy Dragon Girls