![](https://image.tmdb.org/t/p/original/A8go9QvsmPIH5fTh4oN3l79oQL9.jpg)
![](https://image.tmdb.org/t/p/w342/xinqAmYrZ1TEwowcQhgTkZVtVE0.jpg)
Rider from Shang Tu
The Doctor and his friends elect to warn Marco of Acomat's attack even though it means losing their chance to gain access to the TARDIS.
![](https://image.tmdb.org/t/p/w300/lg2ZQpxhWLdtkeBUwfqzJ1HpU28.jpg)
![](https://image.tmdb.org/t/p/w300/unhJQWcgh6FPlyCaKXTnSLT1DrJ.jpg)
![](https://image.tmdb.org/t/p/w300/4DESj7hC2SRQdwNg2F22xuFuukj.jpg)
![](https://image.tmdb.org/t/p/w300/h5VdQxpKfS7nKKWHwY55CN0Sm7E.jpg)
Other episodes for this season
![An Unearthly Child](https://image.tmdb.org/t/p/w300/geJKM80SjYZIG5XNwonRHIkKBrF.jpg)
![The Cave of Skulls](https://image.tmdb.org/t/p/w300/svg8CUTdkVVNqaJKWp6vd999ahO.jpg)
![The Forest of Fear](https://image.tmdb.org/t/p/w300/8KShThM5MYOt0WHUZwo3ZEbzhKk.jpg)
![The Firemaker](https://image.tmdb.org/t/p/w300/cEKmnrVntMeMs5u1Lz6DERFL6rU.jpg)
![The Dead Planet](https://image.tmdb.org/t/p/w300/j72wf17IaDFpoQLopk7dcnsY8Hw.jpg)
![The Survivors](https://image.tmdb.org/t/p/w300/gJlTkmLPY0GaraAINDcaihcjb7x.jpg)
![The Escape](https://image.tmdb.org/t/p/w300/imhBH4Xp810Ay06eGdugQ1NkoVg.jpg)
![The Ambush](https://image.tmdb.org/t/p/w300/7as1SoJ53JqC5cXUA2QQ7E35dQ2.jpg)
![The Expedition](https://image.tmdb.org/t/p/w300/oQY5IqMpRf43Jd31utRSI5omYw0.jpg)
![The Ordeal](https://image.tmdb.org/t/p/w300/pTtJe298aGnAZCyS2s0bGagGUYv.jpg)
![The Rescue](https://image.tmdb.org/t/p/w300/x2oMC7WR8cBMdxvUFTZNf6MDPzD.jpg)
![The Edge of Destruction](https://image.tmdb.org/t/p/w300/jKrvADP2Y9Cn0SnxrOyUiA1QVIi.jpg)
![The Brink of Disaster](https://image.tmdb.org/t/p/w300/1eGhGmP9khcWpJTANoxJS9cpvth.jpg)
![The Roof of the World](https://image.tmdb.org/t/p/w300/TOqRq2oDkwPnmFSnegPTZLEzOW.jpg)
![The Singing Sands](https://image.tmdb.org/t/p/w300/K6JRjZJzFveZUPc2XKknXnQlrU.jpg)
![Five Hundred Eyes](https://image.tmdb.org/t/p/w300/xTGwkJCgl7Id26CLUbGtDQ77CnP.jpg)
![The Wall of Lies](https://image.tmdb.org/t/p/w300/yaA0cVFWve5b3LwR087LmXOamUT.jpg)
![Rider from Shang Tu](https://image.tmdb.org/t/p/w300/A8go9QvsmPIH5fTh4oN3l79oQL9.jpg)
![Mighty Kublai Khan](https://image.tmdb.org/t/p/w300/1E2iGQq2Cg4OVNVAmQqkteZB4Ts.jpg)
![Assassin at Peking](https://image.tmdb.org/t/p/w300/fNYlGCXPgx6m4BFMWxNm721zTqu.jpg)
![The Sea of Death](https://image.tmdb.org/t/p/w300/wzbbvCgE1zrtlXYIxKsjED8iSiS.jpg)
![The Velvet Web](https://image.tmdb.org/t/p/w300/nbeXMsFfdjSTgFTx1OPAYjFhBb.jpg)
![The Screaming Jungle](https://image.tmdb.org/t/p/w300/7VnAQDnJf2g3Oin3GziVcZ3vZ0I.jpg)
![The Snows of Terror](https://image.tmdb.org/t/p/w300/evNbo505fOLRVgTvjKTNhUItgeV.jpg)
![Sentence of Death](https://image.tmdb.org/t/p/w300/1ODeeeQYX2OncpGsdrwTygXVuaW.jpg)
![The Keys of Marinus](https://image.tmdb.org/t/p/w300/xB0IBS7OUkziNKF7n7awJiNNNn1.jpg)
![The Temple of Evil](https://image.tmdb.org/t/p/w300/lBqX2ZJPReAPjWzhZBzzQJTyezi.jpg)
![The Warriors of Death](https://image.tmdb.org/t/p/w300/1QxJmoxInAoRWq3WxduHUZS3v0a.jpg)
![The Bride of Sacrifice](https://image.tmdb.org/t/p/w300/tF6ZkamP9JKsot4NfQ6GM7F4DFE.jpg)
![The Day of Darkness](https://image.tmdb.org/t/p/w300/Ad8FPwVoePwH04zSf216HyOzLFR.jpg)
![Strangers in Space](https://image.tmdb.org/t/p/w300/eIwfrmqo3lTKtQGdSyBkQVoNng6.jpg)
![The Unwilling Warriors](https://image.tmdb.org/t/p/w300/q83uDInHCaYr93VOcf8VGxWSR3o.jpg)
![Hidden Danger](https://image.tmdb.org/t/p/w300/xFC9qJugGoNeuUfL3xvxNcGyOag.jpg)
![A Race Against Death](https://image.tmdb.org/t/p/w300/9Btlc1xdFGRbl9gDrXY4mPbJcvD.jpg)
![Kidnap](https://image.tmdb.org/t/p/w300/qfT7yQ0uKDKZrvpzHod392PpPe5.jpg)
![A Desperate Venture](https://image.tmdb.org/t/p/w300/b2Oq2VULm6I2CqBQHAwQpeEOAHw.jpg)
![A Land of Fear](https://image.tmdb.org/t/p/w300/zrBYkeiA7wCNx13KGpDlRVm6usU.jpg)
![Guests of Madame Guillotine](https://image.tmdb.org/t/p/w300/hXVliwkpfDJ1A5OXqRheaofPdEY.jpg)
![A Change of Identity](https://image.tmdb.org/t/p/w300/e3Pzn5nA1h5WUFzySWJRru0W885.jpg)
![The Tyrant of France](https://image.tmdb.org/t/p/w300/8W65CL6CkBnH8m4MAhudo6Ap1ex.jpg)
![A Bargain of Necessity](https://image.tmdb.org/t/p/w300/b130n367NCCsHdGXVjZYvkrykhC.jpg)
![Prisoners of Conciergerie](https://image.tmdb.org/t/p/w300/pVKRn0LlDlcH8sCrh5ZJZ8j45kq.jpg)
The Doctor and his friends elect to warn Marco of Acomat's attack even though it means losing their chance to gain access to the TARDIS.