Here's how the second kill goes in The Plesiosaur.
[We see children playing in the water]
Willy: I don't like this.
Brian: He is the mayor of Road Island. I can't argue with him.
Dolphy: But this is serious! There's a beast out there!
Brian: I know! Let's just keep our eyes open, and see if Skyla is right.
Mako: Got it! [takes out his eyes and holds them up high]
[children continue swimming]
Brian: Anything up there, human and equine Rainbow Dash?
Rainbow: No.
Human Rainbow: [looking through the scope of her rifle] Nothin' yet.
[Then the Plesiosaur lurks quietly and attacks a kid!]
Mako: [gasp] I spy with my risen eyes, a beast attacking a kid!
Willy: [whistles in alarm] GET OUT OF THE WATER!!!! COME ON, GET OUT!!!!!!
[all of the children race of the water]
Kid's mother: Alan? Alan?
[we then see a damaged inflatable tube on the shoreline]
Skyla: Now, do you believe me, Nyx?
Nyx: Mhm.
[Then we see the Plesiosaur eating it's meal]