All episodes

A Doctor Who devotee, a boxing aficionado and a London Underground expert battle it out this week.

Baz Ashmawy picks the brains of three more ultimate fans, quizzing a self-proclaimed Eurovision enthusiast who hopes to score more than nul points, a Sherlock Holmes expert who's all clued up about the Baker Street detective and a contestant hooked on fishing. Up for grabs is a prize of the winner's choosing.

Baz Ashmawy picks the brains of three more specialists, quizzing a football fan devoted to his beloved Queens Park Rangers, a comic-book superhero geek and a contestant hoping to rocket to the top of the scoreboard with his knowledge of space flight. Up for grabs is a prize of the winner's choosing.

Baz Ashmawy picks the brains of three more ultimate fans - a Formula One enthusiast, a Beatles buff and a James Bond devotee - with the winner scooping a bespoke prize of their own choice.

Baz Ashmawy picks the brains of three more ultimate fans - a Game of Thrones enthusiast, a Liverpool FC expert and a contestant crazy about rollercoasters - with the winner scooping a bespoke prize of their own choice.

Baz Ashmawy picks the brains of three more people whose lives revolve around one particular thing - a Star Wars enthusiast, a dedicated fan of Arsenal FC and a chocaholic - with the winner scooping a bespoke prize of their own choice.

Baz Ashmawy finds out who really knows their stuff in the contest where three obsessives are quizzed on their favourite subjects. This week the questions cover everything from vampires and doomed ships to double-leg takedowns as he welcomes a massive Twilight fan, a wrestling enthusiast and a Titanic expert. Up for grabs is the ultimate piece of memorabilia of the winner's choosing.

Baz Ashmawy finds out who really knows their stuff in the contest where three obsessives are quizzed on their favourite subjects. This week he welcomes a British monarchy buff, a superbike expert and a diehard Trekker - better known to non sci-fi fans as a Star Trek enthusiast. Up for grabs is the ultimate piece of memorabilia of the winner's choosing.