Embracing a "year of yes," Buck is blindsided when a former roommate asks him to be a sperm donor . After weighing the emotional weight of being a biological father without a parenting role, he ultimately agrees to help.
While treating an unconscious drunk driver in his vehicle, the driver suddenly wakes up and speeds off with Chimney still inside. Buck eventually helps intercept the car using a bicycle. [S6E4] Animal Instincts
The team saves a small dog that accidentally ingested a pill at a frat party. Following the rescue, Bobby decides to take the dog home. Major Character Arcs Embracing a "year of yes," Buck is blindsided
The team responds to a freak accident where a birdwatcher is pinned beneath a massive tree that snapped back into place. Buck eventually helps intercept the car using a bicycle
After failing a critical medical school exam, Hen is pushed by Bobby to take some time off. However, after proving her sharp medical instincts during the "Hoover" call, she convinces her professor to give her a second chance through a practical evaluation. "9-1-1" Animal Instincts (TV Episode 2022) - IMDb