"Toxic" was a popular recording made by singer Britney Spears in the early 21st century on Earth. By the year 5 billion, the song was considered a ballad from Earth's classical era and was played on a vintage jukebox owned by Cassandra shortly before the planet Earth was destroyed. "Toxic" could be called the last song heard during the planet's history. (TV: The End of the World [+]Loading...["The End of the World (TV story)"])
Behind the scenes[[edit] | [edit source]]
In the Children in Need sketch Looking for Pudsey [+]Loading...["Looking for Pudsey (TV story)"], "Toxic" plays over the scene in which Britney Spears appears.