Searxng/9-1-1 Nashville crossover Celebrity Honor Bobby's memory in the 9-1-1 crossover. Buck faces pressure, rivalry, and personal upheaval as the 118 competes in Nashville's firefighter games. April 21, 2026 AceShowbiz - This article contains spoilers for the 2026 crossover event between ABC's 9-1-1 and 9-1-1: Nashville. The two 9-1-1 series united for an exciting crossover episode that saw members of L.A. firehouse 118 travel to Nashville for a unique firefighter games competition.