full size Derek and Meredith in “Can't Fight Biology” Credit:
Adam Taylor/ Getty Images Derek and Meredith in “Can't Fight
Biology”   Off, and Continents Apart: Callie and Arizona Arizona
finally decided that she had had enough of Callie's naysaying,
and banned her from the African excursion. Too bad said
excursion is set to last three years.  Long-distance romances
aren't impossible, but with that amount of distance and that
amount of time and that amount of bad blood between them now,
Calzona seems pretty doomed.  Off, as Twisted Sisters: Cristina
and Meredith After months of letting almost everything go
unsaid, Cristina finally went off on Meredith, basically blaming
her for all of Cristina's hang-ups. Meredith definitely got a
raw deal, but then again, it's hard not to agree with Cristina
to a certain degree. Meredith did kinda demand that Cristina
save Derek even though doing so meant a near-certain bullet from
Mr. Clark.  Off, as Research Partners:  Meredith and Derek
Following hours and hours of writer