The episode you are looking for is titled and marks the premiere of Season 3 (set in the spring of 1939). It primarily follows the long-awaited wedding of James Herriot and Helen Alderson while the threat of World War II begins to loom over Darrowby. Episode Plot Highlights
: Despite it being his wedding day, James finds himself performing TB testing at a local farm after a long night of celebrating. Meanwhile, the wedding rings go missing, leading Siegfried to craft a makeshift ring out of twine to save the ceremony. All.Creatures.Great.and.Small.S03E01.PL.HDTVx26...
: As a wedding present, Siegfried surprises James by adding his name to the practice door, officially making him a junior partner at Skeldale House. The episode you are looking for is titled
Detailed recaps and episode guides for this specific premiere can be found on sites like WTTW and Masterpiece PBS . 'All Creatures Great and Small' season 3 episode 1 recap Meanwhile, the wedding rings go missing, leading Siegfried
: After the ceremony, the couple heads off for a brief honeymoon. Upon their return to Skeldale House, they move into their new room upstairs, which comes with a few comedic mishaps, including a collapsing bed.