S Tier:
-The Storm
-The Blue Spirit
-The Blind Bandit
-Zuko Alone
-Tales of Ba Sing Se
-Lake Laogai
-The Avatar and the Fire Lord
-The Ember Island Players
-Sozin's Comet Part 2: The Old Masters
-Sozin's Comet Part 3: Into The Inferno
-Sozin's Comet Part 4: Avatar Aang

A Tier:
-The Boy in the Iceberg
-The Avatar Returns
-The Southern Air Temple
-The Winter Solstice Part 2: Avatar Roku
-The Siege of the North Part 1
-The Siege of the North Part 2
-The Chase
-Bitter Work
-The Library
-The Desert
-The Serpent's Pass
-Appa's Lost Days
-The Crossroads of Destiny
-Sokka's Master
-The Beach
-The Puppetmaster
-The Day of Black Sun Part 1: The Invasion
-The Day of Black Sun Part 2: The Eclipse
-The Western Air Temple
-The Firebending Masters
-The Boiling Rock Part 2
-The Southern Raiders
-Sozin's Comet Part 1: The Phoenix King

B Tier
-The Warriors of Kyoshi
-The King of Omashu
-Winter Solstice Part 1: The Spirit World
-Jet
-The Deserter
-The Waterbending Master
-Return to Omashu
-The Swamp
-The Drill
-City of Walls and Secrets
-The Earth King
-The Guru
-The Boiling Rock Part 1

C Tier:
-The Waterbending Scroll
-The Northern Air Temple
-The Avatar State
-The Cave of Two Lovers
-The Awakening
-The Runaway

D Tier:
-Imprisoned
-The Fortuneteller
-Avatar Day
-The Great Divide
-Bato of the Water Tribe
-The Painted Lady

F Tier:
-The Headband
-Nightmares and Daydreams