The Littles (1983)

S1E13 Dinky's Doomsday Pizza

Dinky and Grandpa are soaring through the sky in Dinky's airplane, on a mission to deliver his Airmail Pizza. Suddenly, they collide with a power line, causing them to crash. In the midst of this chaos, Dinky dreams that Dr. Hunter discovers their existence, demolishing barriers to hunt down all the littles and capturing them. Meanwhile, Henry shares everything he knows about the littles with Dr. Hunter, gaining fame in the process. Dinky jolts awake, panicking from the unsettling vision.