Kaitei kagaku kiči (E24)

Undersea Center was constructed for the development of the ocean floor resources. SSSP took charge of escorting Yoshimura, a President of the Science Public Corporation, and the special guest Jenny to the center to attend the commissioning ceremony. However, the lifeline pipeline got damaged, the center dock flooded, and they were trapped. It was the work of the deep sea monster Gubila! (Prime Video)