def episode_search_strings(season, episode):
    """Returns strings to be used when scraping for episodes."""
    string_templates = (
        's{season:02d}e{episode:02d}',
        '{season}x{episode:02d}',
        's{season:02d}',
    )
    return [template.format(season=season, episode=episode)
            for template in string_templates]