Did Peter Krause Leave ‘9-1-1’? Did Bobby Die on ‘9-1-1’? Here’s What Happened

Fans of ABC’s hit drama 9-1-1 were left reeling after the April 17, 2025, episode, which delivered one of the show’s most emotional and shocking moments to date. Yes, Peter Krause has left 9-1-1, and his character, Captain Bobby Nash, died in the Season 8 episode titled “Lab Rats.”

In this pivotal episode, Bobby and several members of Station 118 were trapped in a laboratory contaminated with a deadly virus. While Chimney, Hen, and Ravi managed to survive, Bobby heroically sacrificed himself to save his team.

The episode marked Krause’s final appearance on the series, as Bobby succumbed to the virus after a poignant farewell with Athena, played by Angela Bassett. The scene was emotionally charged, with Athena choosing to stay with Bobby until the very end, underscoring the deep bond between the characters.

Showrunner Tim Minear explained that the decision to kill off Bobby was a creative one, emphasising the emotional stakes and the impact Bobby’s loss would have on the entire team. Minear described it as a “wrenching decision,” noting that Bobby had been the backbone of the show and that Peter Krause’s departure was deeply felt by the cast and crew.

Krause himself responded with understanding and gratitude, penning a heartfelt letter to fans and colleagues in which he reflected on his nine-year journey with the character and show.

Bobby’s death is the first major character loss for 9-1-1 in its eight-season run, and it marks a significant turning point for the series. The show will continue, with Angela Bassett’s Athena at the forefront and new characters expected to join the team in future episodes. For viewers, Bobby Nash’s legacy as a leader, mentor, and hero will remain a defining part of the series’ history.

In summary:

• Peter Krause is leaving 9-1-1.
• Bobby Nash died in Season 8, Episode 15 (“Lab Rats”), sacrificing himself to save his team.
• The decision was a creative choice by the show’s producers, and Krause’s exit is permanent.

The impact of Bobby’s loss will shape the direction of 9-1-1 moving forward, as the Station 118 family—and fans—grapple with saying goodbye to one of the show’s most beloved characters.