Coaches Niall Horan, John Legend, Reba McEntire and Gwen Stefani all vie to discover and coach the next singing phenomenon on the third night of Blind Auditions.

When Murdoch and Ogden are abducted, newly appointed Inspector Crabtree's first order of business is finding them.

Hayley searches for a runaway Steve so they can go to a Shaggy concert.

Professor Mercer is approached by old friend CJ, a prominent investigative journalist, who asks for his help after she's poisoned with a rare and deadly nerve agent. With time running out, Mercer pieces together scant clues.

Jimmy covers the latest news before speaking with guests Matthew McConaughey and John Mayer, and welcoming Mayer for a musical performance.

Stephen welcomes astrophysicist Neil deGrasse Tyson and a musical performance by Louis Cato.

Drolta makes a persuasive pitch to Olrox, and Annette encounters an old enemy. Revelations shed new light on Maria and Richter's family histories.

With Sean Penn on his way to Behati-Prinsloo to trade places with the boys, Director Bustard commits to letting the boys go home, and to killing Penn.

Leila is on a mission to bring down the biggest bully at Phoenix Rise: Miss Abel.

It's Biscuit Week and the bakers get stuck into a marshmallow-based Signature challenge, before cracking on with a custard classic in the Technical. Finally, in an illusion-themed Showstopper, the bakers make their favourite meal out of biscuits.