TV Guide

 April 2, 2018, TV Guide released a special anniversary issue featuring the “65 Best Episodes of the 21st Century”.

The list spanned landmark television from 2000–2018 across drama, comedy, and genre series. Here are many of the key episodes included in the ranking (as listed in the issue and accompanying coverage):

Top-ranked episodes
Breaking Bad — “Ozymandias” (S5E14)
Lost — “Pilot” (S1E1–E2)
Game of Thrones — “The Rains of Castamere” (S3E9)
Mad Men — “The Suitcase” (S4E7)
The Sopranos — “Pine Barrens” (S3E11)
The Wire — “Middle Ground” (S3E11)
Six Feet Under — “Everyone’s Waiting” (S5E12)
Black Mirror — “San Junipero” (S3E4)
The West Wing — “Two Cathedrals” (S2E22)
The Office — “Casino Night” (S2E22)
Other notable inclusions
Arrested Development — “The Immaculate Election”
Parks and Recreation — “Flu Season”
Curb Your Enthusiasm — “The Doll”
Friday Night Lights — “Pilot”
The Americans — “Do Mail Robots Dream of Electric Sheep?”
The Good Wife — “Dramatics, Your Honor”
The Leftovers — “International Assassin”
Stranger Things — “Chapter Nine: The Gate”
Twin Peaks — “Gotta Light?”
Buffy the Vampire Slayer — “Once More, With Feeling”
The Handmaid's Tale — “Offred”
This Is Us — “Pilot”
The Good Place — “Michael’s Gambit”