Sonarr/UI/Calendar/CalendarItemTemplate.html

<div class="event">
    <div class="date {{statusLevel}}">
        <h1>{{day}}</h1>
        <h4>{{month}}</h4>
    </div>
    <a href="series/details/{{series.titleSlug}}">
        <h4>{{series.title}}</h4>
    </a>
    <p>{{startTime}} {{bestDateString}}<span class="pull-right">{{seasonNumber}}x{{paddedEpisodeNumber}}</span><br>{{episodeTitle}}</p>
</div>