"The Doctor describes himself as the last of his kind and says his planet burned on numerous other occasions, as do other individuals, such as the Krillitane Mr Finch in "School Reunion" (2006).<ref name="finch extinct"></ref>

In "Father's Day" (2005), the Ninth Doctor remarks that before Time Lords were "all gone", they would have prevented or repaired paradoxes such as that which attracted the Reapers to 1987 Earth.<ref></ref>

In "Rise of the Cybermen" (2006), the Tenth Doctor mentions, "When the Time Lords kept their eye on everything, you could pop between realities, home in time for tea.