ABC's Thursday Night Procedurals Return with '9-1-1' and 'Grey's Anatomy'

• ABC's Thursday night procedural slate returned with '9-1-1', '9-1-1: Nashville', and 'Grey's Anatomy'.
• All three series premiered ahead of previous season averages after seven days of viewing.
• The Season 10 debut of '9-1-1' attracted 8.14 million viewers across ABC, Hulu, and Hulu Plus.
• '9-1-1' is known for its multi-episode disaster scenarios, including train derailments and tsunamis.
• The series has become one of ABC's most popular shows.