Doctor Who
Arc of Infinity
S20 E4:
Realising that Tegan is his only hope of locating Omega, the Doctor sends Nyssa back to the TARDIS and connects himself to the Matrix to speak with Omega directly. He claims to have given up fighting Omega, and asks to speak to Tegan so he will know she remains unharmed. Tegan risks her life to give the Doctor clues to her location – Amsterdam.