Complex sentence: With Live +7 DVR viewing factored in, the episode had an overall rating of 10.43 million viewers, and a 5.4 in the 18-49 demographic, which was a series high in both viewership and 18-49 rating.
Split into simpler sentences: With Live +7 DVR viewing factored in, the episode had an overall rating of 10.43 million viewers, and a 5.4 in the 18-49 demographic. Which is series high in both viewership and 18-49 rating.