The numbers for this week, according to The Hollywood Reporter, total 11 million viewers, and a 4.5 18-49 rating.
This week's episode, "Grilled Cheesus," featured the songs "Only the Good Die Young," "I Look to You," "Papa, Can You Hear Me?," "I Wanna Hold Your Hand," "Losing My Religion," "Bridge Over Troubled Water" and "One of Us."
Next week's "Duets" episode will be directed by stage and screen vet Eric Stoltz and will feature two show tunes - Victor/Victoria's "Le Jazz Hot" and A Chorus Line's "Sing!" – in addition to covers of the classic Judy Garland-Barbra Streisand duet "Happy Days Are Here Again/Get Happy," "River Deep – Mountain High," "Don't Go Breaking My Heart" and "Lucky."
"Glee" airs Tuesdays at 8 PM on Fox. To watch last night's episode and get audio snippets of next week's numbers, look below: