This doktor na screencap contains
Fedora, nadama sumbrero, Homburg, Stetson, and trilby.
There might also be
boater, leghorn, panama, panama sumbrero, mandaragat, espumadera, dayami sumbrero, hat campaign, porkpie, and porkpie sumbrero.
Basically the story of his three companions, Rose, Martha, and Donna, and how they can never stay with him long, and the Doctor has to let them go. Made sa pamamagitan ng zcatz.