There are a mid-credits and post-credits scenes.
SPOILER: There is a scene at the end of the closing credits: Janine is talking with Winston at his corporate office; this scene becomes a voice-over and transitions to Winston visiting the Ghostbusters' fire station headquarters and returning Ecto-1 to its parking spot. After this, a red light on a containment unit within the station begins glowing and an ominous noise is heard.
SPOILER: There is a scene in the closing credits: Peter Venkman and Dana Barrett play around with the ESP cards and electric shock device Venkman used in Ghostbusters (1984).
After the traditional Ghostbusters theme soundtrack in the credits scene, it's followed by lead actor Mckenna Grace's song Haunted House.
The Columbia Pictures, Bron Studio, and Ghost Corps logos are accompanied by spooky sounds.
Ben Jacobson is credited under strings twice.