The two might fare better than you'd expect anyway however.
Allen has various high super-powers that can keep the dinos at bay for a while, including animation of inanimate objects, which can come in handy if he can find something like trees or the like to use to his advantage, I'll have to watch the series more, but he is a lot stronger than he appears.
Skeeter is a puppet type character, who is anything but ordinary, as he utilizes toon force in the real world, and is capable of doing things which no ordinary person could/should be able to do, including, not the least of which surviving being compacted into a cube by a crusher, something which no person would be able to survive. He is anything but ordinary. Check the 20:00 to 21:00 minute mark.