Grey's Anatomy - Season 5, Episode 10: Soundtracks

Beginning of the episode where the Chief and the Attendings are voting on which resident will perform the first solo surgery. Again not the Sadie surgery episode, is however in 'All By Myself'.

When dr Dixon is talking to patients. Actual 'All By Myself' episode and not the Sadie surgery episode (which is titled 'In the Midnight Hour')

Christina chooses Alex to perform first solo surgery. Alex finds Izzie, professes his love, and asks her to assist him for amputation solo surgery. Actual 'All By Myself' episode; not Sadie surgery.

Cristina/Owen kiss in boiler room. Meredith reassures Alex for solo surgery. Izzie assists. Meredith says the same thing as in the pilot. Lexie wants Mark to "teach her" and they kiss

End scene

Izzie was talking with Denny after 'imaginary sex'.