5.

Friends Season 10 — $10 million per episode.

7.

The Crown seasons 1 and 2 — $7 million per episode.

8.

Bridgerton Season 1 — $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.

Source: https://www.buzzfeed.com/noradominick/tv-shows-episode-costs-budget