The Solution (episode 20)
	To catch Khasinau, Sydney and Vaughn organise a trade with Sark, Khasinau's representative. The transaction happens in Denpassar, where Sydney appears with a veil and dark skin. Sark asks her to prove her identity fighting with a latajang, wich she does very well despite she never used it before. Sark is satisfied so the exchange can be made.

Cipher (episode 03)
	Sydney meets Sark in Siberia, where they are looking for Rambaldi's music box. Sydney arrives first and disables it. Then Sark comes and takes the music box, leaving Sydney under the ice.
Dead Drop (episode 04)
	In Russia, disguised as a military officer, Sydney gets the map that can leads Irina to the Bible. Sark arrives suddendly and asks Sydney to work for him. She refuses and escapes with the map.
The Counteragent (episode 07)
	To save Vaughn, Sydney has to find an antidote in Estonia. While she's generating the serum Sark traps her and deals : she can take the antidote if she'll deliver Sloane to him, which she does in Tokyo. But what a surprise when back to SD-6 she sees Sloane with... Sark who's now cooperating with SD-6.
Passage part 1 (episode 08)
	Sydney meets Sark in private to tell him that if he burns her, she'll do the same. Sark assures her he won't say anything for his own safety.
The Abduction (episode 10)
	Sloane organises a mission in Paris for Sydney and Sark. They must steal an Echelon terminal and bring it back to SD-6.
Phase One (episode 13)
Truth Takes Time (episode 18)
	Sark and Irina are in Stuttgart for a mission and see that they have company : Sydney and Vaughn are there too. Sark meets Vaughn and shoots him. Sydney comes just in time to knock the gun from Sark who runs away.

Succession (episode 02)
	Sark is now in CIA prison. Sydney asks him about the two years she can't remember but he doesn't know anything. Then she has to exchange Sark against a CIA agent kidnapped by the Covenant. But the transaction doesn't happen perfectly and both Sark and the CIA agent are taken by the Covenant.
Repercussions (episode 5)
Remnants (episode 10)
	Sydney is looking for a safe deposit box belonging to Julia. She breaks into the box and at the moment she's taking the object inside, Sark steals it from under her nose. She pursues him and after he's knocked out, she takes the object.
Crossing (episode 12)
	Sydney and Vaughn have to go to North Korea to find a Covenant official who wants to defect. There they find Sark who's arrived first, informed by Lauren. They all sit with Lisenker, Sydney threatening Sark with a knife. But Korean troops appears and catches Sydney and Vaughn. Sark has just time to flee.
Blowback (episode 14)
	Sydney with Vaughn and Sark with Lauren are all on a boat for a mission. As Vaughn stops Lauren (who's wearing a mask), Sark does the same with Sydney. He asks Vaughn to drop the gun if he loves Sydney, which Vaughn does.
Taken (episode 16)
	Dixon, Jack and Sydney meet Sark who has Dixon's daughter. They exchange her for a Rambaldi's object. To make sure they'll let him escape, Sark puts a collar with a deadly toxin to Sydney. As Sark flees, Jack disables the collar.
The Frame (episode 17)
Resurrection (episode 22)
	Lauren comes to the jail cell next to Sark. After he gaves her informations about Rambaldi, she takes off her mask... and we see that in fact she's Sydney.

A Man Of His Word (episode 09)
	Sark and Sydney have to see a man to retrieve a bomb, but she has to impersonate Lauren. In order to do that she even kisses Sark (biting her lips). But while Sydney's chasing Anna Espinosa, Sark manages to escape.

Bob (episode 08)
	Rachel and Sydney meet Sark in the Bahamas to ask him for help.
No Hard Feelings (episode 15)
	Sydney and Sark are looking for the rose which was hidden in a monastery that has now become a prison. They meet at the parlor, where Sark pretends to rob the cashier in order to be arrested. In prison, Sydney is in the isolation wing and Sark manages to deliver her. Sydney finds what she was looking for and is rescued by Vaughn, while Sark is rescued by Peyton.
All The Time In The World (episode 17)

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