: The team traveled to Los Angeles to battle a massive wildfire.
The actual finale, , served as the season's conclusion and featured several major developments: [S3E17] What Hides Beneath
If you are following a specific fan-made continuation or an international airing order that labels episodes differently, you may be referring to the . In that episode: : The team traveled to Los Angeles to
: Ben Warren (Jason Winston George) made a critical medical decision while evacuating residents that impacted his future. [S3E17] What Hides Beneath
: The crew responded to a five-alarm fire that was actually a bombing. Vic, Dean, Travis, Ben, and Jack were trapped in a lab with a device near detonation before being saved by Jack's heroics.