UNIT: Earth Defenders

UNIT: Earth Defenders is a spinoff series that ran from 23rd May 2029 to 23rd May 2031. It was the second spin-off series produced by exclusively by Disney+. It starred Jemma Redgrave as Kate Lethbridge-Stewart and Tommy Knight as Luke Smith. The series opened with "New Beginnings" and concluded with "Companions Of The World".
==Overview==
UNIT: Earth Defenders introduces Jemma Redgrave as Kate Lethbridge-Stewart and Tommy Knight as Luke Smith who are now the joint-heads of UNIT. Over the course of the three seasons, it provides an insight into what life is like for UNIT when the Doctor isn't around to assist.
==Production==
It was decided that the second spin-off series under the new creative team would be led by Russell T Davies following on from the past successes of The Sarah Jane Adventures that he had overseen. Chris Chibnall would also be involved in the development side of things.
A number of past UNIT characters and former companions would feature throughout the three seasons.
Haolu Wang was appointed as Head Director for the three seasons.
==Cast==
*Kate Lethbridge-Stewart - Jemma Redgrave
*Luke Smith - Tommy Knight
*Martha Jones - Freema Agyeman
*Yasmin Khan - Mandip Gill
*Clyde Langer - Daniel Anthony
*Rani Chandra - Aniji Mohindra
*Ace - Sophie Aldred
*Tegan Jovanka - Janet Fielding
===Recurring===
*Maria Jackson - Yasmin Paige
*Jackie Tyler - Camille Coduri 
*Jo Grant - Katy Manning
*Sky Smith - Sinead Michael
*Mel Bush - Bonnie Langford
*Ryan Sinclair - Tosin Cole
*Dan Lewis - John Bishop
*Graham O'Brien - Bradley Walsh
*K9 - John Leeson
===Guest===
*Vicki - Maureen O'Brien
*Steven - Peter Purves
*Polly - Anneke Wills
*Sergeant Benton - John Levene
*Jamie McCrimmon - Frazer Hines
*Zoe Heriot - Wendy Padbury
*Rose Tyler - Billie Piper
*Metacrisis Doctor - David Tennant
*Nyssa - Sarah Sutton
*Vislor Turlough - Mark Strickson
==Television stories==
===Story formats and arc===
The series would be done in 6 x 45 minute episodes.
=== Episodes===
Season Number	Episodes 	Season Title	Head Writer 	Head Director	Notes
1 	6 x 45 minute episodes	 	Russell T Davies	Haolu Wang 	
2 	6 x 45 minute episodes	 	Russell T Davies	Haolu Wang 	
3 	6 x 45 minute episodes	 	Russell T Davies	Haolu Wang 	
==Stories set during this series==
===Novels===
*
===Audio stories===
*
=== Comics ===
*
===Short stories===
*
==Promotional trailers==
For the series, several promotional trailers were created, utilising shot footage of and
* Several short, wordless five-second "stings" were also produced. These showed close-ups of the Doctor with a gun and the TARDIS.