A Friend in Need

"A Friend in Need" is the fourteenth episode of the Star Wars: The Clone Wars television series' fourth season. It aired on January 13, 2012. It is the first appearance of Bo-Katan Kryze.

Official description
"A peace conference between Separatists and Republic delegates is interrupted by Lux Bonteri, the son of a late Separatist Senator, who involves Ahsoka in his dangerous search to find justice for his mother's death."