Complex sentence: The number of viewers of the first airing reached 3.76 million viewers, with a rating of 1.9 in the relevant 18-49 demographic-just a little behind the series record of 3.9 reached in the last installment in what commentators considered a strong accomplishment.
Split into simpler sentences: The number of viewers of the first airing reached 3.76 million viewers, with a rating of 1.9 in the relevant 18-49 demographic. Being just a little behind the series record of 3.9 reached in the last installment in what commentators considered a strong accomplishment.