About Doctor Who Season 2 (1964-1965)
Accompanying the Doctor and his granddaughter Susan on their adventures are school teachers Ian and Barbara, keen to return home to London in 1963. Along the way, they encounter Vicki, an orphan from 25th century Earth.
Their adventures include facing a Dalek invasion on Earth in the future, exploring alien worlds with Zarbi and Menoptra, and journeying to the past to meet Romans and Vikings.