Baby Jimmy joins James and Carmody on their rounds. Helen is surprised to find Jenny with a new best friend. Mrs. Hall starts her job as an ARP Warden and tries to keep the peace between Siegfried and Mr. Bosworth when tragedy strikes.

A medical scare keeps James' feet firmly on the ground and Siegfried and Carmody get their wires crossed over an animal. Helen steps in to help an old family friend and Mrs. Hall faces trouble when she decides to help with the war effort.

Baby Jimmy joins James and Carmody on their rounds. Helen is surprised to find Jenny with a new best friend. Mrs. Hall starts her job as an ARP Warden and tries to keep the peace between Siegfried and Mr. Bosworth when tragedy strikes.

A medical scare keeps James' feet firmly on the ground and Siegfried and Carmody get their wires crossed over an animal. Helen steps in to help an old family friend and Mrs. Hall faces trouble when she decides to help with the war effort.

Tristan's first meeting with Carmody doesn't go as planned. They are sent to capture an animal on the loose, hoping to put aside their differences. Meanwhile, James confronts unresolved feelings about the war when he least expects it.

When Jimmy's Christening Day is interrupted by the arrival of a surprise visitor, Siegfried makes a promise he struggles to keep. A furry friend helps Helen to find common ground with James' mother.

Tristan's first meeting with Carmody doesn't go as planned. They are sent to capture an animal on the loose, hoping to put aside their differences. Meanwhile, James confronts unresolved feelings about the war when he least expects it.

When Jimmy's Christening Day is interrupted by the arrival of a surprise visitor, Siegfried makes a promise he struggles to keep. A furry friend helps Helen to find common ground with James' mother.

James has a bout of brucellosis, bringing long buried emotions to the surface. A broken-down car forces Siegfried and Tristan to renegotiate their relationship with amusing consequences.

Carmody gets an exciting opportunity, leaving Siegfried wondering whether he's holding back his protege. Mrs. Hall must deal with an unlikely emergency in Darrowby. Siegfried and Carmody must pay attention to their romantic pursuits.

James has a bout of brucellosis, bringing long buried emotions to the surface. A broken-down car forces Siegfried and Tristan to renegotiate their relationship with amusing consequences.