DW 03-07: 42

A Guide to Classic Who references (and other references) in new Who.

Doctor Who Series 3 episode 8 (Story 28):  The Doctor takes Martha Jones answer a distress call.

TW 1-08: They Keep Killing Suzie

A Guide to Classic Who references (and other references) including in Torchwood episodes.

Torchwood series 1 episode 8 (Story 8):  They keep bringing Suzie back to life.

DW 03-06: The Lazarus Experiment

A Guide to Classic Who references (and other references) in new Who.

Doctor Who Series 3 episode 7 (Story 27):  The Doctor takes Martha Jones home.

TW 1-07: Greeks Bearing Gifts

A Guide to Classic Who references (and other references) including in Torchwood episodes.

Torchwood series 1 episode 7 (Story 7):  Tosh gets a gift.

SJA 1-06: Warriors of Kudlak Part Two

A Guide to Classic Who references (and other references) The Sarah Jane Adventure episodes.

Sarah Jane Adventures series 1 episode 6 (Story 4 part 2):  Sarah Jane Smith and her new friends discover the truth behind laser tag.

SJA 1-05: Warriors of Kudlak Part One

A Guide to Classic Who references (and other references) The Sarah Jane Adventure episodes.

Sarah Jane Adventures series 1 episode 5 (Story 4 part 1):  Sarah Jane Smith and her new friends discover that laser tag is real.

DW 03-05: Evolution of the Daleks (Part 2)

A Guide to Classic Who references (and other references) in new Who.

Doctor Who Series 3 episode 5 (Story 26 part 2):  The Doctor and Martha Jones are still in New York.