private function createCreateForm(Episode $entity)
    {
        $form = $this->createForm(EpisodeType::class, $entity, array(
            'action' => $this->generateUrl('oktolab_episode_create'),
            'method' => 'POST',
        ));

        $form->add(
            'submit',
            SubmitType::class,
            [
                'label' => 'oktolab_media.new_episode_create_button',
                'attr' => ['class' => 'btn btn-primary']
            ]
        );

        return $form;
    }