When strange anomalies start to appear all over England, Professor Cutter and his team must track down and capture all sorts of dangerous prehistoric creatures from Earth's distant past and near future.
This tv show contains 4 potentially triggering events.
In season2, episode5, the beginning of the episode acts like the dog will die, though later it is revealed to be safe. However the beginning may cause distress while watching, even if you know how it turns out.
In S03E07 A Dragon-like Dinosaur called “Dracorex” comes through an anomaly into medieval England (likely 15-16th century) where it is injured by a medieval knight who pursues it through another anomaly into the 21st century and attempts to kill it, the Dracorex is saved and healed.