OMG Dude!

Somewhere between bloopers and conspiracy theories lies the place for interesting finds and easter eggs hidden in the show. Have you found something that could be listed? Tell me! ^_^

In-Show Easter Eggs  -  Avatar Cameos in Other Shows/Etc.

The Legend of Korra
Book 1: Air

Avatar: The Last Airbender
Book 1: Water   ||   Book 2: Earth   ||   Book 3: Fire

A full list of what is currently posted and links to the entries is below.

The Legend of Korra

Book 1: Air
1x01 : Gran Gran's farewell
1x01 : Legacy ATLA statues (Aang & Toph)
1x01 : Feathered Hat Man Sightings (4)
1x02 : Newspaper sneak peeks (Tahno & Tarrlok)
1x01 & 02 : Similarities to Disney's Aladdin
1x03 : Legacy ATLA statue (Zuko)
1x03 : Wang Fire's beard reincarnated
1x03 : Mako's Batman origin similarity
1x03 : Triple Threat/Korra destructive parallel
1x03 : Flying table discontinuity
1x03 : Feathered Hat Man sightings (3)
1x03 : Blue Lady returns
1x04 : Feathered Hat Man sighting (1)
1x04 : Equalist/Task Force visual parallel
1x05 : Pabu's outfit continuity
1x05 : Feathered Hat Man sightings (3)
1x05 : Massive Protestor meetups
1x06 : Equalist power glove's Iron Man similarity
1x06 : Chief Beifong's got Spider-Man moves
1x07 : Legacy ATLA statue (Cabbage Man)
1x07 : Feathered Hat Man sighting (1)

Avatar: The Last Airbender

Book 1: Water
0x00 : Opening Credits Bender Identities
1x03 : Avatar Roku & Dragon shaped clouds
1x04 : Sokka's sewed-up pants continuity
1x08 : Dragon-shape in Firebending attack
1x08 : Avatar Roku/Indiana Jones visual reference
1x10 : Aang co. do Charlie's Angels pose
1x11 & 12 : Sokka's foreshadowing
1x12 : Princess Azula's sneak appearance
1x17 : Fire Nation drill design sneak peek
1x19 : Pakku makes a reference to SpongeBob
1x20 : Sokka+Yue/Haku+Chihiro visual reference
1x20: Iroh & Zuko dialogue revisited (1x01)

Book 2: Earth
2x04 : Blue Spirit mask on cart
2x04 : Katara's crown (1x13) returns
2x05 : More of Sokka's foreshadowing
2x07 : Zuko almost steals food from Hope family (2x12)
2x07 : Azula's doll and Toph share hair/headband style
2x10 : Library statue looks like Spirit Crane (1x20)
2x10 : Lionturtle (3x19) first seen in Library scroll
2x14 : Sneak peek of mugger from Iroh's Tale (2x15)
2x20 : Katara+Aang/Pietà statue visual reference
2x20 : Aang & Katara's first meeting visual parallel

Book 3: Fire
3x01 : Jin and Hope family shown in Ba Sing Se scene
3x04 : Lion Turtle statues seen in Piandao's castle
3x04 : Toph makes Nickelodeon logo in space earth
3x07 : Background lady wears same Toph outfit
3x07 : Ember Island Players' dragon poster
3x07 : Monkey statue (1x09, 1x13) returns
3x08 : Old woman's face on cabbage
3x08 : Fire Navy prisoner (1x02) visual parallel
3x09 : Toph's fashion twin (3x07) returns
3x13 : Sun Warrior origin for Katara's crown
3x13 : Dance statues are like in 1st Avatar video game
3x13 : More Indiana Jones references
3x16 : Inside joke regarding Katara's mother's name
3x17 : Avatar play poster uses Book 1: Water boxset cover
3x17 : Aang's hat is like Dock/Xu's hat (3x03)
3x17 : Fem!Aang nod to women VAs and Peter Pan plays
3x17 : Buff guy!Toph nod to original character design
3x17 : Nod to "unclear" Jet death scene (2x17)
3x17 : EIP!Ty Lee and Mai do Charlie's Angels pose
3x17 : Nod to Jack DeSena's Sokka characterization
3x18 : Avatar Opening credits/Captain Planet reference
3x18 : General Shinu (1x13) returns
3x20 : Ozai firebends like city statue (3x07)
3x20 : Aang uses Gaara's sand sphere move?
3x21 : Avatar energy light beam redux (1x01)
3x21 : Writing in the Water
3x21 : Love and Peace?
3x21 : Sokka's painting mirrors EIP!Zuko & Toph poster

In-Show Easter Eggs  -  Avatar Cameos in Other Shows/Etc.