/// <summary>
 /// Makes a call to the EpisodeRepository to delete given episode, returns episode if found and deleted successfully
 /// </summary>
 /// <param name="episodeNumber">The episode number</param>
 public async Task <Episode> DeleteEpisodeByNumberAsync(int episodeNumber)
 {
     return(await _EpisodeRepository.DeleteEpisodeByNumberAsync(episodeNumber));
 }