mTvShowSubscription = tvShowSingle
    .subscribeOn(Schedulers.io())
    .observeOn(AndroidSchedulers.mainThread())
    .subscribe(new SingleSubscriber<List<String>>() {

        @Override
        public void onSuccess(List<String> tvShows) {
            displayTvShows(tvShows);
        }

        @Override
        public void onError(Throwable error) {
            displayErrorMessage();
        }
    });