shortcode-function

function related_episode_preview() {
    global $post;
    $post_meta_value1 = get_post_meta($post->ID, '_pbsparents_rept', true);
    $post_meta_value2 = get_post_meta($post->ID, '_pbsparents_repthmb', true);
    $post_meta_value3 = get_post_meta($post->ID, '_pbsparents_repvid', true);
    $post_meta_value4 = get_post_meta($post->ID, '_pbsparents_repkids', true);
    $post_meta_value5 = get_post_meta($post->ID, '_pbsparents_repitunes', true);
    $post_meta_value6 = get_post_meta($post->ID, '_pbsparents_reppodcast', true);
    $post_meta_value7 = get_post_meta($post->ID, '_pbsparents_repage', true);
    $post_meta_value8 = get_post_meta($post->ID, '_pbsparents_replg', true);

    return '<div class="recent-episodes"><h3>Related Episode Preview</h3>';
    return '<h4>' .$post_meta_value1;. '</h4>';
    return '<div class="video-pops">
        <a class="thumb video-pop" href="' .$post_meta_value3. '">
            <span></span>
                <img width="157" height="88" alt="<?php the_title(); ?> image" src="' .$post_meta_value2. '" />
        </a>
        </div>';
    return '<ul>
                <li><a href="' .$post_meta_value4. '">Watch at PBSKIDS.org</a></li>
                <li><a href="' .$post_meta_value5. '">Download from iTunes</a></li>
                <li><a href="' .$post_meta_value6. '">Subscribe to Podcast</a></li>
                <li><p><strong>Target Age</strong></p>
                <p>' .$post_meta_value6. '</p></li>
                <li><p><strong>Learning Goals</strong></p>
                <p>' .$post_meta_value7. '</p>
                </li>
            </ul>';
    return '</div>'
}

add_shortcode('related_episodes', 'related_episode_preview');