Last Tango in Halifax: Season Four Format:DVD until Darryl volunteers for a

until Darryl volunteers for a high-paying scientific experiment that gives him superhuman senses

and still manages to leave her own unique mark on the school

But what lies beneath the surface is far worse as they fight to survive against a deadly predator determined to kill them one by one

struggles with reintegrating into his former life as he suffers bouts of PTSD and constantly relives the trauma of Kasserine Pass

Last Tango in Halifax: Season Four Format:DVD until Darryl volunteers for aCatch up with the lives and relationships of reunited childhood sweethearts Alan (Derek Jacobi, Vicious, The Kings Speech) and Celia (Anne Reid, Upstairs Downstairs, Bleak House) and their family members in this warm and witty two part special. To Celia's dismay, Caroline (Sarah Lancashire, Happy Valley, The Paradise) takes on a challenging new headship role at a troubled state school and buys a rundown farmhouse nearby. Is there more to this big