This is thirty minutes of five-year-olds being five-year-olds, which means chaos that never stops being funny because it's rooted in something real. The preview material gives you scenes the full series smoothed over, rougher moments where the kids are actually kids instead of cute props. Watch this if you need proof that a show doesn't need conflict or stakes to be worth your time, just genuine warmth and the specific comedy of watching someone try to teach children who have no idea what "listening" means.
A single-episode comedy special from 2009 that serves as a preview of Hanamaru Kindergarten. Beyond giving a first look at the series, it contains a handful of scenes that either never made it into the anime or appear there in altered form, which makes it a curiosity for viewers who want to compare the two versions.