Episodes with similarities

[The Red Jaguars]

Here is another one:

The Golden Jaguar of Atahualpa
The Lucky Pillow of Annie Taylor
- Both episodes are Blue Barracuda runs.
- Both episodes featured Red-Blue-Orange-Purple in the Steps of Knowledge
- Both episodes featured a Blue/Purple matchup.
- Both episodes had the Purple Parrots winning their individual games, and the Blue Barracudas winning their team game.
- Both episodes featured the Blue Barracudas win their tiebreakers after making a comeback in the team game.
- Both episodes were the first time an artifact was grabbed from their respective room space.
- Both girls grabbed their artifacts in their respective runs.

[The Silver Monkey]

The Snake Bracelet of Cleopatra
The Applewood Amulet of Emiliano Zapata

- The frontrunner on both teams was named Robert.
- The teams that lost the temple games both had a boy whose name started with J (Joshua/Jason) and a girl whose name started with S (Samantha/Simone).
- Both artifacts were placed in the upper left room space.
- Both teams entered said room space from the Shrine.
- Both teams encountered guards in the Heart Room and King's Storeroom room spaces.
- Both artifacts were brought out by the female runner.
- Both winning teams won 1.5 pendants.

The Collar of Davy Crockett
The Secret Map of the Bandit Queen

- Both were Silver Snakes runs.
- Both had the Red Jaguars losing in a tiebreaker.
- Both were one-pendant runs.
- Both artifacts were hidden in the Shrine
- Both frontrunners were female.
- Both frontrunners encountered their first guard in the bottom of the central shaft.
- Both artifacts were brought out by the male player.
- Both artifacts were brought out with less than 10 seconds to go.

The Plumed Headdress of Cosa Rara
The Lost Hornpipe of the Pirate Captain
- Both artifacts were located in the Mine Shaft room space.
- Both episodes saw the Green Monkeys going to the temple.
- Both episodes featured a Jessica going in the temple.
- Both contestants on both teams shared "J" as part of their first name (Jessica & Justin, Jessica & Jarrid).
- Both teams won 1.5  pendants in the temple games, with the half-pendant being won in the second temple game.
- Both temple runs featured the same layout (except the teams started in different entrance rooms.)
- Both frontrunners were taken out in the room to the right of the Shrine.

Also, both female temple game losers were named Mary.

[Purple Parrots Fan]

Here is another one:

The Golden Jaguar of Atahualpa
The Lucky Pillow of Annie Taylor
- Both episodes are Blue Barracuda runs.
- Both episodes featured a Blue/Purple matchup.
- Both episodes had the Purple Parrots winning their individual games, and the Blue Barracudas winning their team game.
- Both episodes featured the Blue Barracudas win their tiebreakers after making a comeback in the team game.
- Both episodes were the first time an artifact was grabbed from their respective room space.
- Both girls grabbed their artifacts in their respective runs.

Also, both episodes featured Red-Blue-Orange-Purple on the Steps of Knowledge.

[The Red Jaguars]

Added that note to Atahualpa/Annie Taylor. Here is a couple of more:

The Ivory Elephant of Scheherazade
The Missing Portrait of Hans Holbein
- Both were Blue Barracuda temple appearances.
- Both artifacts were located in the center of the temple.
- Both episodes were taped last on their production days.
- Both teams finished second in the Steps.
- Both teams swept the temple games.
- All three temple guards were encountered in both runs
- Both temple paths were identical where the player had to retrieve the artifact from the bottom floor of the temple.
- Both frontrunners were females who encountered a temple guard in one of the entrance rooms and removed from the temple from the room to the left of the Shrine.
- Both second male runners failed to take the Shrine shortcut and entered the two leftmost rooms.
- Both runs ended in the Dark Forest.

The Smashed Printing Plate of Frederick Douglass
The Royal Torque of Queen Boadicea
- Both were Red Jaguar temple appearances.
- Both artifacts were located in the Tomb of the Headless Kings.
- Both teams swept the temple games.
- Both times the Chamber door was the only door that opened from the Pit of the Pendulum.

[The Red Jaguars]

Lawrence of Arabia's Headdress
The Bonnet of Dolley Madison
- Both artifacts were headdresses that were wrapped around the head.
- Both artifacts were located in the Holes of Python/Jester's Court room space.
- Both temple teams swept the temple games.
- Both frontrunners detoured into the lower entrance room and met their first temple guard, ruining their team's chance at a solo victory.
- At least two of the temple guards were in the same room space. (Ledges/Cave of Sighs and King's Storeroom/Treasury of the Golden Orbs. It is also most likely the last guard was in the Mandarin Hand for the Dolley Madison run).
- Both second runners managed to grab their artifacts

The Oracle Bowl of Delphi
The Very Tall Turban of Ahmed Baba
- Both artifacts were located in the Observatory.
- Both episodes featured the Purple Parrots in the temple games.
- Both episodes featured a Jamie and a Shane in the temple games.
- Both male frontrunner names were Shane.
- Both temple runs featured a temple guard in the Swamp.

[The Silver Monkey]

The Pearl Necklace of Gwalior
The Bullet-Riddled Handbag of Belle Boyd

- Both episodes were filmed the same day.
- Both episodes featured a Blue/Green temple games matchup.
- Both temple temple teams won the temple games 2-1.5.
- Both female temple game losers were named Ashley/Ashleigh.
- Both male temple game losers had names that start with "J" (John/Joseph).
- Both runs ended right after the Secret Password objective was completed.
- Both episodes are from Season 3.

The Golden Spider Web of Robert the Bruce
The Lost Taj Mahal Turban of Aurangzeb

- Both episodes were Green Monkeys runs.
- Both temple teams won 1.5 pendants.
- Both temple teams lost the first temple game, then won the next two.
- Both runs ended in triple capture.
- Both runs ended in the Quicksand Bog.
- Both female temple runners were named Christine/Chrystine.
- Both second runners missed a visible half-pendant in the Pit of the Pendulum.
- Both temple game losing teams had a player with a name starting with "J' (Justin/Jennifer) and a player with a name starting with "C" (Carolina/Chad).

[The Red Jaguars]

The War Fan of the 47 Ronin
The Secret Map of the Bandit Queen
- Both episodes were Silver Snakes runs.
- Both episodes were taped third on their production days.
- Both episodes come after a Green Monkeys run and before an Orange Iguanas run.
- Both episodes featured Silver-Red in the temple games.
- Both Silver Snakes teams won their individual games, but lost their team game.
- Both episodes came down to a tiebreaker where the Silver Snakes won.
- Both teams encountered two guards in the temple and won the second prize at least. (Jeremy and Elise confirmed in a later interview that they were given a second prize despite not reaching the War Fan)

The Lily-Crested Crown of Clovis I
The Pearl Necklace of Gwalior
- Both episodes featured an artifact in the Quicksand Bog.
- Both temple games featured a 2-1.5 pendant score.
- Both episodes had an identical path to the artifact.
- Both teams encountered a temple guard in the Chamber and Shrine.
- Both frontrunners were able to grab a piece of the Silver Monkey before they were taken out in the Shrine.

The Broken Trident of Poseidon
The Ruby Earring of Benzibab
- Both episodes were taped in Season 3.
- Both were Silver Snakes episodes.
- Both times the Silver Snakes finished first in the steps.
- Both Steps of Knowledge rounds featured Red-Green-Orange-Silver. (Credits to PPF for this one)
- Both temple games featured Silver/Green with Silver winning.
- Both episodes were the only time the Silver Snakes went to the temple with 2 pendants in Season 3. (Credits to PPF for this one)
- Both episodes were taped after a bottom of the central shaft run. (Red Sash -> Broken Trident, Good-Luck Watch -> Ruby Earring)
- Both temple paths were identical.
- Both teams grabbed their respective artifacts during their run.

[The Red Jaguars]

The Mush Pot Hat of Johnny Appleseed
The Applewood Amulet of Emiliano Zapata
- Both artifacts were located in the Viper's Nest.
- Both episode titles have "Apple" inside of them.
- Both layouts were part of S2L2.
- Both temple games featured the Green Monkeys.
- Both losing teams in the temple games won 1.5 pendants.
- Both frontrunners were removed from the temple in the King's Storeroom.
- Both second runners grabbed their artifacts and made it to the Ledges at least.

The Bonnet of Dolley Madison
The Thornwood Gavel of Judge Roy Bean
- Both artifacts were located in the Jester's Court.
- Both episodes were Orange Iguanas runs.
- Both episodes had to deal with the judicial system in some way.
- Both episodes came after two tiebreakers from the same production day.
- Both Orange Iguanas teams swept the temple games.
- Both frontrunners were male and had a name starting with an "M".
- Both female runners made some mistake in the temple that blew their chance at a win.

[The Silver Monkey]

The Snakeskin Boots of Billy the Kid
The Metal Beard of the Egyptian Queen

- Both episodes were Purple Parrot wins.
- Both artifacts were hidden in the shrine.
- Both episodes had Purple vs. Green in the temple games.
- Both Green Monkey girls were named Stacy.
- Both Purple Parrot boys had a name starting with T (Tony/TJ)
- Both episodes had Silver/Purple/Green/Red at the steps.
- The Green Monkeys won one pendant in both episodes.
- Both episodes were filmed on the third-to-last day of their respective seasons.

Ponce de Leon and the Lost Fountain of Youth
The Leopard Skin Cloak of Annie Oakley

- Both artifacts were hidden in the center room of the temple.
- Both episodes had the Blue Barracudas losing the temple games.
- Both temple teams won 2 pendants.
- Both frontrunners failed to use any shortcuts and were taken out one room away from the artifact.

The Lucky Pillow of Annie Taylor
The Leopard Skin Cloak of Annie Oakley

- Both episodes centered around an Annie.
- Both episodes had Purple vs. Blue in the temple games.
- Both artifacts were hidden in Medusa's Lair.
- Both male temple game losers had a name starting with S (Stuart/Shane)

[The Red Jaguars]

Just to revive this topic with some more similarities.

The Silver Cannonball of Grandy Nanny
The Stone Head of the Evil King
- Both artifacts were located in the Swamp space.
- Both episodes were taped last on their production day.
- Both teams swept their temple games to get to the temple.
- Both production days featured the Orange Iguanas in the temple for the first and third episode on that day. (Butch Cassidy and Golden Stallion for Grandy Nanny's day, Mush Pot Hat and Cracked Crown for Stone Head's Day)
- Both teams took a similar path in the temple.
- Both teams encountered all three temple guards.

The Pendant of Kamehameha
Henry VIII's Great Seal
- Both episodes featured an artifact in the Swamp room space.
- Both episodes featured the Silver Snakes going to the temple.
- Both episodes were featured after a temple win. (Trojan Horseshoe and Geronimo)
- Both episodes had their runs end in triple capture.
- Both second runners had a memorable final temple guard encounter in the Tomb of the Ancient Kings.
- Both teams had their temple run end one room away from the artifact.