1970–1971ActionSci-Fi
UFO
Average 7.5 across season 1
A secret, high-technology international agency called SHADO defends Earth from alien invaders.
Overall
7.9
Votes
4.8K
Episodes
26
Consistency
σ 0.26
Episode heatmap
S1
LowHigh
Season averages
S1
Best
8.1
S1E18
Worst
6.9
S1E19
Trend
stable
slope -0.004
Seasons
1
with ratings
