ries overview</span></h2>
<table class="wikitable" style="text-align:center">
<tr>
<th style="padding: 0px 8px" colspan="2" rowspan="2"><a href="//en.wikipedia.org/wiki/Season_(television)" title="Season (television)" class="mw-redirect">Season</a></th>
<th style="padding: 0px 8px" rowspan="2"><a href="//en.wikipedia.org/wiki/Episode" title="Episode">Episodes</a></th>
<th colspan="2">Originally aired</th>
<th rowspan="2">DVD release date</th>
</tr>
<tr>
<th><a href="//en.wikipedia.org/wiki/Season_premiere" 