UFO (1970)

S01E18 Timelash

Title: Timelash Plot: As Straker arrives at the airport to collect Lt. Lake, they discover that time has inexplicably halted around them. Particles of sawdust float suspended in the air, and Lt. Ellis is caught mid-sentence on a monitor. Amidst this eerie stillness, a mysterious man appears, mocking them and revealing his allegiance to the aliens.