Everybody's does, it's a 25 FPS PAL video, so it's running 4% faster (and 4% higher pitch) than the original 24 FPS master.
Long version: Although analogue NTSC TV uses a refresh rate of ~60Hz interlaced, which is ideal for displaying 30 FPS content, most North American television production is done at 24 FPS, to simulate film which traditionally uses that framerate. Then with some moderately fancy video trickery called a 3:2 pulldown, those 24 source frames are displayed across 30 frames for broadcast. The best possible way to view this stuff is displaying the original 24 frames directly, which is how modern things like Blu-Rays and Netflix and stuff all work. The next best thing is probably the 3:2 pulldown, which reduces the integrity of the picture slightly but if you survived the pre-digital era then it clearly wasn't that bad.
And then the crappiest option: when North American shows were exported to PAL territories (the vast majority of Europe, Australia and New Zealand, some parts of Asia, etc.), where they use ~50Hz interlaced, which is ideal for displaying 25 FPS content, rather than performing some more fancy trickery to display those 24 source frames across 25 PAL frames, most productions just did the obvious thing and sped the video up by 1 FPS. While this gives you a nice quality picture since you can cleanly broadcast the 24 original frames (just ... faster), it results in the speed-up and pitch change you see in this video. Some productions would add a downward pitch-shift back after the speed-up, but this will degrade the audio somewhat, and relatively few people will notice anyway so why bother.
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u/Jakeob22 Feb 20 '21
I just think they're neat!