All episodes Season 21 S21E10 1984-02-03 25 min 1960s BBC

Doctor Who

Frontios, Part Four

TV Flash files “Frontios, Part Four” as hour 617 of 700 in the TV Flash guide — Doctor Who (1963–) on BBC, season 21, episode 10, aired 1984-02-03, 25 min.

From the desk

How this hour is filed

This leaf is S21E10: listed hour 617 of 700 in the Doctor Who guide, hour 10 of 24 in season 21. It aired 1984-02-03 (25 min). The listed hour before it is “Frontios, Part Three” (S21E09). Next is “Resurrection of the Daleks, Part One” (S21E11). Broadcast log — titles and dates, not a plot bible.

Doctor Who — Frontios, Part Four (S21E10)

Catalog log

Broadcast listing — not a TV Flash recap.

The Doctor tries to deal with the Tractator's cunning plan, despite Turlough's best intervention. They discover the splintered TARDIS in the tunnels beneath the planet's surface, but how will they put it together again?

Viewer FAQ

Where does Frontios, Part Four sit in the Doctor Who guide?

S21E10 is listed hour 617 of 700 — hour 10 of 24 in season 21, season 21 episode 10.

When did Doctor Who S21E10 air?

Frontios, Part Four aired 1984-02-03 and is listed at 25 minutes.

Where should I start with the 1960s serials?

William Hartnell's First Doctor is the origin of the TARDIS-and-companions contract. Patrick Troughton's Second Doctor is the proof that regeneration works. Start at a serial whose surviving episodes interest you; missing-episode gaps are part of the classic-era weather.

In the series

Why this series still plays

A Time Lord, a police box bigger on the inside, and regeneration as infinite franchise life: Doctor Who launched from the BBC in 1963 and never really parked. Early black-and-white serials built the mythology; Hartnell-to-Troughton proved the lead could change without ending the show. The longest experiment in serialized reinvention — woolly, weird, endlessly renewable.

November 23, 1963, is a drop that never really parked. BBC's *Doctor Who* launched a Time Lord and a blue police box bigger on the inside, then treated the lead as renewable inventory. **Regeneration is the window.** Sydney Newman, C. E. Webber, and Donald Wilson were among the early architects. Early black-and-white serials built the mythology; companions, sonic screwdrivers, and cliffhangers became ritual. Rex wants woolly national inheritance. Fine. The business model is recasting without ending the show.

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