Jo previously returned in 2010's Death of the Doctor, allying with Sarah Jane to save the Eleventh Doctor (c) BBC Studos
My Shiny Toy Robots: Toybox REVIEW: Doctor Who 'Companions of the Fourth Doctor' Set
On This Day… In 2010 Jo Grant returned - Blogtor Who
Jo Grant, Tardis
Which is the Better Spin-Off: Torchwood or The Sarah Jane Adventures? – The Doctor Who Companion
Facts and Fun with 'Paper Dolls' – The Time Ladies
Doctor Who Titan Comic Book: ORIGINS Graphic Novel Featuring The Fugitive Doctor (Jo Martin) - Doctor Who Store
The Sarah Jane Adventures - Series 4 synopses - Blogtor Who
BIG FINISH EXCLUSIVE: Two New Series Doctor Who - Short Trips announced - Blogtor Who
On This Day… In 1973 Sarah Jane Smith debuted - Blogtor Who