Tristan and Siegfried find themselves in competition. Mrs. Pumphrey and James prepare Tricki for a visitor. Mrs. Hall uncovers a secret.

James and Siegfried clash when James buys an X-Ray machine for the vet practice. Mrs. Hall learns more about Siegfried’s shenanigans.

Things look very different at Skeldale House and James is struggling with a wild and chaotic Siegfried.

Skeldale House prepares for Christmas – and Jimmy’s first birthday – without the usual festive treats available.

James has a bout of brucellosis, bringing long buried emotions to the surface.

Carmody gets an exciting opportunity, leaving Siegfried wondering whether he’s holding back his protégé.

Tristan’s first meeting with Carmody doesn’t go quite to plan.

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 struggles with parenting baby Jimmy. Helen notices Jenny's independence. Conflict arises between Siegfried and Mr. Bosworth over safety measures. Jenny's recklessness leads to consequences. Helen allows Jenny's growth.

A medical scare keeps James’ feet firmly on the ground and Siegfried and Carmody get their wires crossed over an animal.