@mrmattimation #SPOILERS they already happened, it was only a single episode, they decided no to stay with the Doctor, they went with Brian instead, he's a real Doctor, PhD and all.
MOAR #SPOILERS it was a fun episode all things considered, turns out Suzy is a Lupine Wavelength Heamovariform, Ross was actually a clone of himself all along and there was this running gag where Ninja Brian (who as we all know, and was proven in the episode) is actually a different person from regular Brian kept stabbing the Doctor, waiting for him to regenerate and then stabbing him again