After "Journey's End", Rose and the Tenth Doctor duplicate have some things to sort out. But first, they need to solve the mystery behind the invisible threat that's killing off Torchwood staff one by one. The first story in the ongoing "Defenders of the Altverse" series, depicting a season's-worth of adventures with Rose and Tentoo like we never got to see on telly.

"The white wall stands in front of him, unconcerned. He presses his ear against it. There is nothing there, of course. It's just a wall." - The events of "Doomsday" from the Doctor's point of view. Prologue to the "Defenders of the Altverse" stories, a fanfic interpretation of a Doctor Who-spinoff series set in Pete's World.

Donna's synapses rearrange, her neural pathways split and re-form, the capacity of her memory centers expand and grow until she thinks the pressure might rupture her skull. Through it all, she waits, because even amidst the overwhelming fear and pain, she knows that something wonderful is about to happen. Oh, something brilliant!

"She was, if she was being honest with herself, a little disappointed that he believed her." A little what-if exploring an alternate universe in which Rose lied to the Doctor on Bad Wolf Bay. (Rated Teen for language and themes. Find the mildly smutty version on AO3, Tumblr, and Teaspoon.)