If it helps, I did forget to mention that the Doctor's girlfriend spends most of the episode as a hologram and the actual central question of the episode is whether or not she's going to go back to her own body or remain holographic ...

There were some gems in between the clown and the Q-baby! The flashback one and The Chute and the Doctor-has-memory-loss and the nineties time travel and Warlord are all really quite good! The absolute disasters are getting further apart ....