5.
Friends Season 10 — $10 million per episode.
7.
The Crown seasons 1 and 2 — $7 million per episode.
9.
The Walking Dead Season 1 — $3.4 million per episode.
10.
The Falcon and the Winter Soldier — $25 million per episode.
12.
The Mandalorian — $15 million per episode.
13.
The People v. O.J. Simpson: American Crime Story — $6 million per episode.
14.
The Boys Season 1 — $11.2 million per episode.
15.
The Witcher Season 1 — $10 million per episode.
16.
Insecure — $3.5 million per episode.
17.
Downton Abbey series 1 and 2 — $1 million per episode.
18.
The Morning Show seasons 1 and 2 — $15 million per episode.
19.
Lost — $4 million per episode (the pilot cost around $12 million).
20.
Mad Men — $3 million per episode.
21.
And finally, ER seasons 4 to 6 — $13 million per episode.