sonarr-repo-only/UI/Calendar/UpcomingItemTemplate.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}} {{date airDate}}<span class="pull-right">{{seasonNumber}}x{{paddedEpisodeNumber}}</span><br>{{episodeTitle}}</p>
</div>