The Return of the Kazekage is episode number thirty-two of Naruto Shippuden.
First time they are seen thogheter is in episode 32
The rescue Gaara (Kazekage) arc begins at Naruto shippuden episode 8.
Madara's debut appearance as Tobi is Naruto Shippuden Episode 32: Return of the Kazekage.
Over the 2 years since the last episode of naruto from naruto shippuden, within that 2 years Gaara become Kazekage of his village. Naruto becomes extremely jelous which seems to strengthen his hopes to becoming Hokage in his village Episode #2 - Naruto Shippuden (is when you find out)
The episode you are referring to is "Naruto Shippuden" Episode 32, titled "Return of the Kazekage." In this episode, Sakura and Gaara are discussing the Sand Village's future and Gaara shows her a room with books that he has been reading.
Shippuden 20-27 mid Kazekage-retrieval arc. :D
Sai joins team 7 in Naruto shippunden episode 34
What happened to the previous Kazekage was he was killed by Orichamaru and Orichamaru impersonates him in the chunin exams to destroy the Hidden Leaf Village. And Gaara becomes Kazekage because he's the strongest shinobi in the village.
The sand village is lead by the Kazekage. Gaara is currently kazekage
In episode 35 she sings Return to the sea.
Forth Kazekage.
Forth Kazekage.