Hat
From Tardis Wiki, the free Doctor Who reference
A hat is a type of clothing worn on the head for style of warmth .
The First Doctor Wore a hat somtimes.
The Second Doctor wore a very untidy hobish big hat and the start of his era . But seemed to stop it during the later of his period in the TARDIS
The Third Doctor tried on a hat with his costume in the Spearhead from Space but seldom ever wore it after .
The Fourth Doctor was famous (amongst other things] for wearing a floppy hat . Vartions of this hat hat have appeared throughout his rain and seem to always match his costume
The Fifth Doctor Wore a Cricketers hat and seldom was seen without it.
The Seventh Doctor wore a straw hat that darkened near the end of his final seasons.