This week's rounds are Music (Covers), Fictional Plants, Archaic Units (Quickfire), and Places.

The music is Physical Plant, with a song called Bad Prescription.

This week's rounds are Music (Annual Anthems), Subatomic Particles, Places, and the Natural World.

The music is from Ant Neely with a song called The Peaceful Atom.

This week's rounds are Music (Mashup Madness), Alumin(i)um, Cartoon Villains (Quickfire), and Transport.

The music is Blue Dot Sessions, with Alum Drum Solo.

This week's rounds are Music (Odd One Out), Dentistry, the Natural World, and Art.

The music is Teeth Tea Leave by Optional.

This week's rounds are Music (Intros), Halloween, Swapped in Authors (Quickfire), Famous People and an extra Prize Round!

There is no music this week because of the prize round.

Which greek letter?

This week's rounds are Music (Connections), Cream, Famous Voices, and In Which Year?

The music is Cream by Monster Jinx.

This week's rounds are Music (Sax Solos), Military Ranks, Best Selling Perfumes (Quickfire), and Literature.

The music is Paper Navy with Swan Song.

This week's rounds are Music (Annual Anthems), Lions, Languages, and Television.

The music is Hayvanlar Alemi with Quantum Lion.

This week's rounds are Music (Terrible Twins), Jennifer Aniston, First Lines of Poems (Quickfire), and Communications.

Music comes from Dagos with My Jenny.

This week's rounds are Music (Odd One Out), World Cities, Movies and Food and Drink.

The music is Cities by Kristina Budzhiashvili.