Bleach episode 5, "," is part of the initial Substitute Soul Reaper arc and focuses on Ichigo and Rukia dealing with the Hollow known as Shrieker.
Below is a long-form guide for the overall Bleach watch order, covering the original series, movies, and the continuation. Watch Bleach - 005
Includes Episode 5. This arc introduces Ichigo's powers and the basic rules of the Soul Society. Bleach episode 5, "," is part of the
110-127, 138-167, 190-203, 206-212, and 215-310. The Lost Agent / Fullbring Arc (Episodes 343-366) The final arc of the original 2004 series. Thousand-Year Blood War (2022–Present) Bleach episode 5
For the best experience, most guides recommend following the canon storyline while skipping large blocks of "filler" that were not in the original manga.