Middle-Aged Back Pain (or, The Faceless Ones Episode 3, s04e33)

Dopple Hangar (or, The Faceless Ones Episode 2, s04e32)

Flying Into Mischief (or, The Faceless Ones Episode 1, s04e31)

Dancing Our Way Out of Trouble (or, The Macra Terror Episode 4, s04e30)

Life's a Gas (or, The Macra Terror Episode 3, s04e29)

Things Are Going Sideways Fast (or, The Macra Terror Episode 2, s04e28)

I've Seen a Bunch of Crab (or, The Macra Terror Episode 1, s04e27)

Resistance Is Useless (or, The Moonbase Episode 4, s04e26)

Weather or not to Cyber (or, The Moonbase Episode 3, s04e25)

Is Your Body Made of Sugar? Cuz the Cybermen Think It's Sweet (or, The Moonbase Episode 2, s04e24)

Mooned by the TARDIS (or, The Moonbase Episode 1, s04e23)

Power to the Fish People! (or, The Underwater Menace Episode 4, s04e22)

Foam-menting Rebellion (or, The Underwater Menace Episode 3, s04e21)

Speed Running the Evil Mad Scientist Character (or, The Underwater Menace Episode 2, s04e20)

Cults Are Much Hotter Under the Water (or, The Underwater Menace Episode 1, s04e19)

A FFinch in the Hand Is Better than Two in a Pit (or, The Highlanders Episode 4, s04e18)

Hang On a Second (or, The Highlanders Episode 3, s04e17)

Deception in the Highlands (or, The Highlanders Episode 2, s04e16)

Outlander Is Pretty Okay (or, The Highlanders Episode 1, s04e15)

Genocide Bad (or, The Power of the Daleks Episode 6, s04e14)