WriterKit Lambert
DirectorSteve M Kelly
Research stateExpanded case file
Spoiler-light premise
Father Brown, Lady Felicia and Mrs McCarthy pose as a wedding party while searching a castle for a hidden papal tiara.
What to watch for
Flambeau's arrival turns a treasure hunt into a reluctant partnership shadowed by an old criminal associate.
Continuity tags
Conservative catalogue links for recurring stories—not a complete cast list.
Episode order and contributor credits: source record ↗