<p dir="auto">DataFrame provides <em>repr_html</em> so it looks great when it's displayed in a Jupyter notebook.  Why not Series?</p>
<p dir="auto">Not sure if it's always been this way or if refactoring broke something.<br>
In any case it looks strange when in ipnb:<br>
<a target="_blank" rel="noopener noreferrer nofollow" href="https://camo.githubusercontent.com/7fe20a2ae042fafdd7b61eff37454054d2ba8507a21c40c83bacc5ef52f6e09d/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313832303836362f313538373235312f38376231396163652d353233352d313165332d383164392d6561626637653334326435332e706e67"><img src="https://camo.githubusercontent.com/7fe20a2ae042fafdd7b61eff37454054d2ba8507a21c40c83bacc5ef52f6e09d/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313832303836362f313538373235312f38376231396163652d353233352d313165332d383164392d6561626637653334326435332e706e67" alt="series repr" data-canonical-src="https://f.cloud.github.com/assets/1820866/1587251/87b19ace-5235-11e3-81d9-eabf7e342d53.png" style="max-width: 100%;"></a></p>
<p dir="auto">related to <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="22941825" data-permission-text="Title is private" data-url="https://github.com/pandas-dev/pandas/issues/5550" data-hovercard-type="pull_request" data-hovercard-url="/pandas-dev/pandas/pull/5550/hovercard" href="https://github.com/pandas-dev/pandas/pull/5550">#5550</a>, making reprs consistent.</p>