The debut of MTV’s Jersey Shore revival, Jersey Shore Family Vacation, continues to grow its ratings tally in delayed viewing. Last week’s series opener drew a a 4.2 rating among MTV’s core demographic of people 18-34 in Live+3, becoming the Viacom network’s highest-rated series premiere ever in L+3. The 4.2 18-34 rating was up 43% from Jersey Shore Family Vacation‘s Live+Same Day demo delivery.

In total viewers, the premiere audience increased by a million, to 3.6 million total, with three additional days of playback. And like in L+SD, Jersey Shore Family Vacation was the highest-rated unscripted debut on cable among people 18-34 since 2012 in Live+3.

According to MTV, Jersey Shore Family Vacation reached nearly 10 million total unique viewers across all plays in its premiere weekend. The Jersey Shore return comes on the heels of MTV closing out its third consecutive quarter of prime growth for the first time in seven years and will help the cable network extend its streak.

The Shore franchise includes MTV’s Floribama Shore, currently shooting its second season; Geordie Shore in the UK; Gandia Shore in Spain; Warsaw Shore in Poland; Acapulco Shore in Mexico; and Super Shore.

Jersey Shore Family Vacation features original housemates Deena Nicole Cortese, Paul “Pauly D” Delvecchio,” Jenni “JWoww” Farley, Vinny Guadagnino, Ronnie Ortiz-Magro, Nicole “Snooki” Polizzi and Mike “The Situation” Sorrentino as they reunite in Miami for the vacation of a lifetime.