Slow Horses Season 6 Episode 2 restores Sidonie Baker in end‑credit cameo
GG Brief Editorial Desk · AI-assisted, source attributed
IGN reported that Slow Horses Season 6, Episode 2 — titled “Daddy Issues” — brings back Olivia Cooke’s Sidonie Baker in a brief end‑credit appearance. IGN described the return as a single “hello, River” line before the credits and said the Season 6 trailer had already signalled her reappearance. The review noted the cameo raises questions about Sid’s fate and motives and argued the reveal would have landed harder if it had not been shown in the trailer. IGN’s review contains full spoilers and was updated on Sep 23, 2026; the episode is streaming on Apple TV, according to IGN.
- What happened: IGN reported that Slow Horses Season 6, Episode 2 (“Daddy Issues”) includes a brief return of Olivia Cooke’s Sidonie Baker, who delivers a single “hello, River” line before the end credits.
- Why it matters: IGN said the cameo raises unanswered questions about how Sid is alive, why she’s been in hiding, and what she’s doing in River’s dead grandad’s house, and the reviewer argued the impact was reduced because the Season 6 trailer had already signalled her return.
- Context: IGN’s review contains full spoilers, was updated on Sep 23, 2026, and states the episode is streaming on Apple TV; IGN also described Sid as a previously short‑lived “slow horse.”
- What next: IGN’s writeup lists several open questions about Sidonie Baker’s return (how she’s alive, why she was hiding, why she played the spoof‑call “triangulation” game) and does not confirm answers or state when those questions will be resolved.
What changed
IGN reported that Slow Horses Season 6, Episode 2 (“Daddy Issues”) reintroduces Olivia Cooke’s character Sidonie Baker in a brief end‑credit cameo, consisting of a single “hello, River” line.
Availability
According to IGN, the episode is streaming on Apple TV and the review contains full spoilers; the review was updated on Sep 23, 2026.
Before and after
- Before: IGN described Sidonie Baker as a short‑lived “slow horse.”
- After: The character’s reappearance is minimal in Episode 2 but raises multiple narrative questions, per IGN.
Limits
IGN reported that the Season 6 trailer had already revealed Sid’s return and that Episode 2’s cameo does not answer why she is alive, why she was hiding, or why she was in River’s dead grandad’s house; those questions remain unconfirmed in the review.