The season finale of “Listening to a Heartbeat,” aired on May 13, 2025, showcases a bio-hazard emergency trapping key characters in a hospital. Actress Erika Christensen reveals the bioweapon is fast-acting and contagious. Angie’s pregnancy, complicated by grief and addiction, adds emotional depth. Will Trent grapples with the revelation that Caleb Rousard is his father, potentially reshaping his relationships.
Titled “Listening to a heartbeat,” the final chapter of this season has already hit the screens on May 13, 2025, at 8 p.m. ET on ABC, according to the official release schedule. However, it is yet to air in different countries at varied times.A global schedule for worldwide fans
In the U.S., viewers can catch the episode at 7 p.m. CT, while fans in Brazil can tune in at 9 p.m. local time. Across the globe, the episode will go live on May 14 in the UK (12 a.m.) Central Europe (1 a.m. CEST), India (5:30 a.m. IST), Australia (10:30 a.m.) and New Zealand (12 p.m.). Whether you’re watching it live or waiting to stream it, this finale is one you don’t want to miss.
A life-threatening crisis unfolds in the plot
Episode 18 picks up the threads left hanging in Episode 17. The story takes a harrowing turn when a bio-hazard emergency traps several key characters—Ormewood, Nico, Seth and Betty, inside a hospital. According to actress Erika Christensen, the bioweapon at the center of the crisis is both fast-acting and highly contagious, posing a serious threat to everyone inside.
Personal battles add emotional depth
As chaos brews in the hospital, the characters also face personal storms. Angie discovers she’s pregnant—a revelation complicated by her recent struggles with grief and addiction. The father is Dr. Seth McDale, and with her past trauma resurfacing, her emotional journey could take a darker turn.
Meanwhile, Will Trent himself is shaken by the revelation that Caleb Rousard is his biological father. The future of their relationship hangs in the balance, and this final episode could determine whether Will open the door to a bond or shuts it forever.
His connection with Angie may also transform in the light of these revelations.
Runtime and streaming information
Although the runtime of the finale hasn’t been announced, most episodes this season have hovered around 40 to 45 minutes. Given that this is the concluding episode, it may run slightly longer, but is unlikely to exceed 60 minutes. For those unable to catch the broadcast, Episode 18 will be available for streaming the next day on Hulu.
