Part 1 of the Flash/Arrow crossover races ahead of ABC and Fox

Part one of the epic FLASH/ARROW crossover event sped The CW ahead of ABC and Fox to finish #3 in the hour in A18-49 (1.4/5), A18-34 (1.1/5) and in total viewers (3.86M). THE FLASH was also #1 in the hour in M18-34 (1.4/6) and tied CBS for #2 in M18-49 (1.7/6).

Versus its last original episode on 11/17, THE FLASH was up +12% in total viewers for its most watched episode since 11/3, and was flat in A18-34, M18-34 (1.4/6), and A18-49.

At 9pm, IZOMBIE had its most watched episode of the season (1.58M), and was up +20% over its last original in A18-34 (0.6/2), matching a season high. IZOMBIE was also up +20% in A18-4 (0.6/2).

For the night, The CW tied NBC for #1 in M18-34 (1.0/4), outrated Fox in both A18-49 (1.0/3) and in total viewers (2.72M), and tied CBS for #2 in A18-34 (0.9/3).

This season to date, THE FLASH rises +58% in total viewers when Live + 7 Day delayed viewing is counted, +67% in A18-34, +79% in M18-34, +64% in A18-49, and +71% in M18-49. IZOMBIE grows by +49% in total viewers, +40% in A18-34, and +50% in A18-49.

Updated: Part 1 of the Flash/Arrow crossover races ahead of ABC and Fox

Part one of the epic FLASH/ARROW crossover event sped The CW ahead of ABC and Fox to finish #3 in the hour in A18-49 (1.4/5), A18-34 (1.2/5). and in total viewers (3.94). THE FLASH was also #1 in the hour in M18-34 (1.5/7) and tied CBS for #2 in M18-49 (1.8/6).

This was THE FLASH's most watched episode of the season, dating back to 2/17/15.

Versus its last original episode on 11/17, THE FLASH was up +14% in total viewers for its most watched episode since 11/3, +9% in A18-34, +7% in M18-34, and flat in A18-49.

At 9pm, IZOMBIE had its most watched episode of the season (1.55M), and was up +20% over its last original in A18-34 (0.6/2), matching a season high. IZOMBIE was also up +20% in A18-4 (0.6/2).

For the night, The CW was #1 in M18-34 (1.0/4), outrated Fox in both A18-49 (1.0/3) and in total viewers (2.74M), and was #2 in A18-34 (0.9/3). This was The CW's most watched Tuesday night since 4/21/15.

This season to date, THE FLASH rises +58% in total viewers when Live + 7 Day delayed viewing is counted, +67% in A18-34, +79% in M18-34, +64% in A18-49, and +71% in M18-49. IZOMBIE grows by +49% in total viewers, +40% in A18-34, and +50% in A18-49.