Episodes 13-16 Zabuza"s back and he"s got company! Enter Haku: an orphaned ninja like Naruto who possesses the Kekkei Genkai, a bloodline trait that can defeat opponents in a matter of moments. Now, with Sasuke trapped inside Haku"s Crystal Ice Mirrors, it"s up to Naruto to come to the rescue before they are both destroyed! Vol. 4 Episode Titles: #13 Haku"s Secret Jutsu: Crystal Ice Mirrors #14 The Number One Hyperactive, Knucklehead Ninja Joins the Fight! #15 Zero Visibility: The Sharingan Shatters #16 The Broken Seal