Hey Neil,
Looks like a fun project.
Question is whether your art, comes before the technology that you want to use?
As in there was no “After Effects, Motion and FCP” back in the bygone area of Television Broadcast.
Although not the answer to your question, maybe consider taking a modern animated TV Title, or program, and do it using the same techniques as used in the 1960s or 70s?
In effect, all you need might just be paper, scissors, and a camera on a 2-light rostrum stand or similar.
Then, depending on how you plan it, you could use After Effects to combine all the elements.
There is other alternatives, like Blackmagic Fusion, which is free to use.
And if you want to add “Bad TV” you can finish off in PPro (and AE) or Davinci + others using the Continuum filter from BorisFX:
https://borisfx.com/documentation/continuum/bcc-damaged-tv/
Or search one of the many stock platforms out there, like Motion Array gave me this on a quick search:
https://motionarray.com/final-cut-pro-templates/bad-tv-transitions-951220/
But if you go down the stop-motion route, and don’t assert copyright on the “original” that you copied, and it looks good, I would not be surprised if a broadcaster or streamer would pay you for the work. Or certainly give you credit and “air space”.
Looking forward to seeing what comes next from you.
atb
Mads