Nick is worried that one of Godzilla's egg might have survived the events of ...
Godzilla: The Series
Season 1 Episode 2: New Family: Part 2
It turns out that Godzilla's offspring, also named Godzilla, thinks Nick is its parent, since he was there when it hatched. Nick and his team use this to get Godzilla to help them fight a new giant mutant threat - angry deep-sea squids.