Quirky crime series Death Valley is back with its unlikely detective duo. Plus: Australian thriller The Family Next Door. Here’s what to watch this evening Quirky crime series Death Valley is back with its unlikely detective duo. Plus: Australian thriller The Family Next Door. Here’s what to watch this evening 8.15pm, BBC One The enjoyably quirky murder mystery comedy about retired actor John Chapel (Timothy Spall) and Welsh detective Janie Mallowan (Gwyneth Keyworth) is back – and John has a