Cobra poster

Cobra (2020)

Drama · Thriller

As widespread power outages cause chaos and threaten lives across the country, the COBRA (Cabinet Office Briefing Room) committee comprised of the UK’s leading experts and politicians, gathers to find a way to turn the lights back on.

IMDb rating: 6.6 (5,124 votes)
Seasons: 3
Streaming (US): PBS · PBS Masterpiece Amazon Channel · Thirteen · WETA+ · KQED
Language: EN
Type: TV series

Browse all Big finale seasons in the explorer → Open in Rising Shows app → View on IMDb

Ratings refreshed Jul 3, 2026 · 3 seasons indexed

Cast

Seasons

Season 1 (2020)

7.12 avg 6 episodes 7.2 → 7.2 44 min avg

Season 1 episodes — IMDb ratings
#	Title	Rating	Votes
1	Blackout 1	7.2	308
2	Blackout 2	6.9	234
3	Blackout 3	7.0	195
4	Blackout 4	7.1	198
5	Blackout 5	7.3	192
6	Blackout 6	7.2	195

Season 2 (2021)

7.60 avg 6 episodes 7.5 → 7.8 45 min avg

Big finale

Season 2 episodes — IMDb ratings
#	Title	Rating	Votes
1	Cyberwar 1	7.5	187
2	Cyberwar 2	7.4	156
3	Cyberwar 3	7.6	141
4	Cyberwar 4	7.6	135
5	Cyberwar 5	7.7	132
6	Cyberwar 6	7.8	163

Season 3 (2023)

7.62 avg 6 episodes 7.6 → 8.3 43 min avg

Season 3 episodes — IMDb ratings
#	Title	Rating	Votes
1	Rebellion 1	7.6	119
2	Rebellion 2	7.3	92
3	Rebellion 3	7.1	86
4	Rebellion 4	7.5	87
5	Rebellion 5	7.9	77
6	Rebellion 6	8.3	99