42 (Doctor Who)

184 – "42"
184 – "42"
Doctor Who episode
Cast
	Doctor David Tennant – Tenth Doctor;
	Companion Freema Agyeman – Martha Jones;
	Others Michelle Collins – Kath McDonnell; Adjoa Andoh – Francine Jones; William Ash – Riley Vashtee; Anthony Flanagan – Orin Scannell; Matthew Chambers – Hal Korwin; Vinette Robinson – Abi Lerner; Gary Powell – Dev Ashton; Rebecca Oldfield – Erina Lessak; Elize du Toit – Sinister Woman;
Production
Directed by	Graeme Harper
Written by	Chris Chibnall
Produced by	Phil Collinson
Executive producer(s)	Russell T Davies; Julie Gardner
Music by	Murray Gold
Production code	3.7
Series	Series 3
Running time	45 minutes
First broadcast	19 May 2007
Chronology
← Preceded by; "The Lazarus Experiment"	Followed by →; "Human Nature"

"42" is the seventh episode of the third series of British science fiction television series Doctor Who. It was first broadcast on BBC One on 19 May 2007. It was the first episode written by Chris Chibnall, the showrunner and lead writer of Doctor Who from series 11 to the 2022 specials.

Separated from the TARDIS, the Doctor and Martha face a race against time as they and the crew of the SS Pentallion try to escape from the damaged spaceship before it falls into a nearby star. Meanwhile, a mysterious entity roams the ship.

According to the BARB figures this episode was seen by 7.41 million viewers and was the third most popular non-soap-opera broadcast on British television in that week.