Don't expect the wave of comic book-inspired TV series to slow down anytime soon — at least at The CW. Two years after the successful launch of Arrow, the network premiered spinoff The Flash on Tuesday night. It marked The CW's highest-rated opener since The Vampire Diaries in 2009.

Initial live-plus-same-day ratings give The Flash 4.54 million viewers and a 1.8 rating with adults 18-49. Both mark premiere highs since The Vampire Diaries' September 2009 bow. It's even more impressive when looking at the fact that The Flash opened the night, leading into the 10th season of Supernatural (steady and strong for The CW with a 1.2 in the demo). For the 8 p.m. hour, The CW easily outrated ABC's freshman comedies and Fox's animation encores among adults 18-49.

Whether it affected The Flash or not, The Voice was a recap special on Tuesday. That fact certainly helped make CBS' NCIS the highest-rated series of the night with a 2.6 rating among adults 18-49. Steady NCIS: New Orleans (2.3 adults) and Person of Interest (down two-tenths for a 1.6 showing with adults) followed. Still, NBC's The Voice (2.4 adults) and a steady Chicago Fire (2.1 adults) were both enough to give the network a demo victory.

Elsewhere, ABC's comedies tumbled in their second outings — quickly entering the danger zone. Selfie was off 31 percent for a 1.1 rating among adults 18-49, while Manhattan Love Story spilled 40 percent to just a 0.9 rating. The night also marked a live-plus-same-day low for Agents of SHIELD, down two-tenths of a point to a 1.6 rating in the key demo. Forever (1.3 adults) was steady with last week.

Without an original Utopia for a lead-in, a steady New Girl (1.3 adults) was the night's top comedy for Fox (and broadcast). The Mindy Project (1.0 adults) also held steady.