Best Classic Doctor Who Cliffhangers

The First Doctor regenerates for the first time into a younger man (Even though Patrick Troughton wasn't that young)

The Second Doctor is spinning around in a vortex, is face is covered in shadow as he is exiled to Earth, with a new face.

RESOLUTION: The Doctor lands on Earth, with a new face

Barbra is backed up against the wall as a familiar enemy (making its debut) goes towards her
RESOLUTION: The Dalek is shown

The Doctor threatens to crash a spaceship on a planet

The Doctor is wired to a machine, Davros wants to know how the Doctor is defeating The Daleks, if he lies, he'll torture Harry and Sarah
RESOLUTION: The Doctor tells

A man knocks out Ace and locks the Door, as the Doctor is trying to get Ace to open the door, a Dalek is hovering up the staircase, The Doctor looks in horror.
RESOLUTION: Ace opens the door

The Doctor, Jamie and Zoe are trying to escape from the time lords, they are in slow motion and are unable to move, they reach the TARDIS, but the Doctor cannot open the TARDIS.
RESOLUTION: The Doctor manages to get inside

The TARDIS explodes
RESOLUTION: They all wake up in the Land of Fiction