Twenty years ago, Doctor Who began filming in Wales. This fun and insightful documentary gives inside secrets from the cast, crew and writers, past and present, including Ncuti Gatwa, David Tennant, Jodie Whittaker, Billie Piper, Karen Gillan and more. 

Go behind the scenes of the Time Lord's adventures.

In this penultimate episode, we're having a right hoot on set with owls, ducks and horses. We experience unexpected biting creatures in the forest. Steff's on work experience in the script department and meets production designer Phil Sims.

Get ready! It's the making of The Interstellar Song Contest! Steffan interviews special guest and fanboy Rylan Clark. He's on work experience as a third assistant director, and stay tuned as the floodgates open on Anita Dobson's character.

We uncover how Doctor Who brought Lagos to south Wales to film Inua Ellams's The Story and the Engine, and Steffan has to cater for 250 hungry people on set! Hold tight, there's a lot to discover.

It's our Lucky Day! Steffan is reunited with companion Ruby Sunday. We meet Jonah Hauer-King and visit an iconic Doctor Who location. But hold tight; there's not only a helicopter landing - Steffan also takes control of the clapperboard!

We go behind the scenes of this spine-tingling episode and hear why Rose Ayling-Ellis is having 'the best time ever!' Steffan lays camera tracks in a quarry, and we catch up with Ncuti on the beauty of acting using British Sign Language.

Ring-a-ding! Steffan Powell travels back in time with the cast and crew to the 1950s. We see a Welsh seaside town turn into sunny Miami amid Storm Jocelyn's gales, and Steffan tries his hand at making the sound effects for this gripping cinematic episode.

Unleashed is back with a brand new series. We get to know the new companion, Varada Sethu, and we're at home with Russell T Davies. Steffan starts some explosions and meets some cool giant robots! There's a lot to see and even more to find out!