Jutsus

Henge no Jutsu
First used in episode 1
Sakura seldom use this jutsu. The 2nd time she uses it is in the first movie where she transforms into Fujisaki Yukie. Watch the clip here

Kawarimi no Jutsu
First used in episode (errr...)
Sakura's most used jutsu. She uses it during the fight against Zaku to confuse him and get close enough to attack. Most of the other times, she uses it to get away from the opponents. Watch the clip here

Bunshin no Jutsu
First used in episode 38
Sakura uses this jutsu against the match against Ino to attack her. Due to her efficient chakra control, she can efficiently use this jutsu to fool the opponents. Watch the clip here

Kai
First used in episode 73
Sakura uses this jutsu to prevent herself getting caught in the illusion that Kabuto created. Watch the clip here

Sakura Fubuki no Jutsu
First used in Naruto movie 1
Sakura's own invented jutsu (This jutsu is not in the manga) It's a very cool move where she throws kunai attached with little pouch consisting of explosive notes. After throwing all her kunai, she throws one last kunai attached with a big explosiven note. This jutsu creates a big explosion. Watch the clip here