> ## Content Index
> Fetch the complete content index at: https://www.cascadepbs.org/llms.txt
> Use this file to discover other available public pages before exploring further.

# Episode 4
- URL: https://www.cascadepbs.org/show/downton-abbey/episode/masterpiece-downton-abbey-season-5-episode-4/
- Published: 2026-02-27T08:05:27.000Z
- Updated: 2026-09-23T05:30:19.000Z
- Description: Witness the bombshells delivered by Merton to Isobel and Mary to Tony.
- Author: Cascade PBS Staff
- Tags: Downton Abbey, Season 5, Episode 4, #ZZZ_Episode_4cf63061-1ec5-410b-b045-283dc5565d25, #episode, #ZZZ_Show_0c05d7a2-c812-4b11-9f9f-96873c347fb4, #v1.16

Lord Merton delivers a bombshell to Isobel, and Mary does likewise to Tony. Police suspicions deepen in an unexplained death. Robert and Sarah lock horns.