Series 1

Series 1 refers to the first series of 1990's Demon Headmaster Televion series which was broadcast on CBBC from January 2, 1996 - January 18, 1996. The series consisted of six episodes which were around 24 minutes long.

Unlike the future series of the sow, the first series consisted of two different storylines based on the first and second books. The first part was titled "Look into my Eyes" and lasted for the first three episode and the second part was titled "The Prime Minister's Brain" and lasted for the final three episodes.

Part 1: Look into my Eyes
Dinah Glass moves in with the Hunter family and starts going to the same school as her foster brothers Lloyd and Harvey. It's not easy, as they seem to hate her, and school is really strange.

Pupils suddenly talk like robots and do weird things, even Dinah finds herself acting oddly. She's sure the headmaster has some kind of power over them, and is determined to find out more. But the Demon Headmaster is equally determined to stop her!.

Episodes:
 * Look into my Eyes: Part 1
 * Look into my Eyes: Part 2
 * Look into my Eyes: Part 3

Part 2: The Prime Minister's Brain
Octopus Dare is the new computer game at school - everyone's playing it. But only Dinah is any good at it. Soon all she can think about is Octopus Dare. She wins a place at the grand final of Junior Computer Brain Of the Year competition, and she's over the moon.

But there's something strange about it all that worries Dinah - so her friends come with her to the final. Before long they find themselves in trouble...facing their old enemy, the Demon Headmaster.

Episodes:
 * Prime Minister's Brain: Part 1
 * Prime Minister's Brain: Part 2
 * Prime Minister's Brain: Part 3

Cast
Regular cast:
 * Frances Amey as Dinah Glass (credited as Dinah Hunter from Series 1: Part 2)
 * Terrence Hardiman as The Demon Headmaster
 * Gunnar Cauthery as Lloyd Hunter
 * Thomas Szekeres as Harvey Hunter
 * Anthony Cumber as Ian
 * Kristy Bruce as Ingrid
 * Rachael Goodyer as Mandy
 * Tessa Peake-Jones as Mrs. Hunter
 * Katey Crawford Kastin as Rose Carter (Series 1 and 2)

Recurring:
 * Jake Curran as Jeff (episodes 1-3)
 * Danny John-Jules as Eddy Hair (episodes 1 and 3)
 * Florence Hoath as Bess (episodes 4-6)
 * Andrea Berry as Camilla Jefferies (episodes 4-6)
 * Danny Kanaber as Robert Jefferies (episodes 4-6)

Trivia

 * Whilst the town/village where the Hunter's live isn't given a name in dialogue, the name "Conningham" is used on props such as Dinah's letter in episode 4. In later series the Hunter's move to a villlage called Shellbrook.
 * Whilst SPLAT's school is left unnamed in this series ad the book it's based on, the school has bcome known as St Champions by fans.
 * Episode from this series have been released several times in different formats: First on VHS tapes titled "Look into my Eyes" and then a BBC Classics DVD. In 2018 this series as well as the other three were released on the Complete Series DVD.