Can a grown man fit inside a swimming cap? Richard Madeley attempts it.
The show's title sequence.
Kevin Bridges considers the benefits of Scotland as a foreign country and changing the clocks.
A newspaper interview gives Alfie an insight into how much his students actually know.
Alfie finds an unusual way to control his classroom.
Mr Church gives his class a very special chemistry lesson.
Jack Whitehall describes a moment where he thought nude photos of himself were posted to Twitter.
Kevin Keegan sings Head Over Heels in Love, his 1979 song.
Jemma is a nightmare bridesmaid.
Wonderwoman, Batman, Superman and Patientman all feature.
