Doctors

Season 18, Episode 99

Episode Title: Impasse

Air Date: 2016-11-08

Overview:

Zara gets some news which takes the wind right out of her sails, while Tyler offers to show Ayesha his hidden depths. An elderly patient has disappeared in the middle of the night and then refused to reveal where he has been. The man's son is convinced he has memory problems and recruits Heston to solve the mystery.