Doctor Who
Hyde Park
A group of children playing in a park are swarmed by some Pterodactyls in episode 6x13 “The Wedding of River Song”.
Source: The Doctor Who Locations Guide
Guard Hallucination
A guard hallucinates after being kissed by River in episode 5x04 “The Time of Angels”.
Source: The Doctor Who Locations Guide
Park in Flashback
Amy remembers kissing Rory on a park bench while trying not to forget him in episode 5x09 “Cold Blood”.
Source: The Doctor Who Locations Guide
Central Park Hooverville
Martha and the Doctor are walking through the park when they come upon a shanty town in its center in episode 3x04 “Daleks in Manhattan”. The shantytown is attacked in episode 3x05 “Evolution of the Daleks”.
Source: The Doctor Who Locations Guide