Terminal Invasion is a 2002 science fiction television film directed by Sean S. Cunningham and starring Bruce Campbell and Chase Masterson.
A businessman awaiting an important meeting threatens the pilot with a gun and shoots a human serviceman who stands in his way, killing him.
They discover boxes containing a gun for clearing avalanches and use it to fight off the children when they come attacking through the back of the vending machine but two more passengers are killed.
The pilot and Jack crawl back to the main hall through the air ducts and rescue the surviving passengers along the way before the aliens make their way into the lounge.
The pilot and Jack sneak back to save him, narrowly avoiding a pursuing alien and setting it ablaze with gasoline as they escape to the hangar.
Darien, a leader in the alien invasion, holds them at gunpoint places mind-controlling handcuffs on one of the passengers to make her state that Jack is the killer.