The Romanadvoretrelundar Trilogy is a trio of linked yet stand-alone Doctor Who stories by DJ Tyrer, published in consecutive issues of Monomyth in 2004, consisting of:

The trilogy features the Fourth Doctor and Romana, in the run-up to Romana's regeneration from her first incarnation into her second – and attempts to give some background and reason for this event, which passed without explanation when originally seen in the TV series. The stories include a variety of references to characters in other media. All three parts were illustrated by the author.