As a credit to both candidates, I believe that video contained more lies than the entire debate did.
1) Trump called the commissioner of The Big 10 and asked them about restarting the league. Shortly after, they announced a rescheduled season. The commissioner now claims it's unrelated and they didn't want it to be political. But you can't call that a lie by that timeline, he called them asking for football, they brought back football, he made a connection between the two events, and they frame it like he's making crap up.
2) Biden says 100,000,000 have preexisting conditions AND would be kicked off their healthcare without the ACA, Trump disputes that number, the video lists as estimate of people with preexisting medical conditions that's 6-7 times the total number of people who gained insurance through the ACA. Biden effectively claimed that removing existing condition protections would get people kicked off Medicare, Medicaid, or employer based insurance, which is total nonsense, but it's reasonable to fuddle which number is which in a live debate. This video doesn't have that excuse, they're just liars.
3) Biden absolutely opposed the travel ban from China. He said of it that we needed to follow science rather than xenophobia and fearmongering, and then months later declared that science supported travel restrictions therefore he did as well. That's only supporting the travel restrictions in the land where "Sure, I'll condemn white supremacy" means "I refuse to condemn white supremacy." Even if you want to take that line, how can you possibly call this a lie? Trump restricted travel, Biden called him xenophobic, seeing that as opposition is a reasonable conclusion. Nothing's fabricated.
4) You can't fact check "I don't know who said that, I don't think she said that." Trump not knowing things and saying as much isn't fact-checkable.
5) They tried to tie a single Trump rally to a rise in covid cases in Oklahoma. The trend in cases was already increasing, and had no suddenly visual changes in trajectory based on the date of that rally, they just happened to hit a local maximum near that time. Correlation isn't causation, and in this case it's almost certainly entirely coincidence. And that's their only data point. BS.
6) Trump says if you look at numbers for environmental health, we're doing phenomenally. To be clear, trends all started decades ago, but if you look at air and water quality, pollutant levels continue downward trends to this day. Too bad the video ignores numbers, and starts blabbering about changes Trump made that they speculate would cause pollution.
7) Trump's campaign requested having official poll watchers for early voting in Philadelphia. They were denied that by the city. Trump called that "kicked out". The video called him a liar because he had no official poll watchers. Right... because they were denied that. And they were denied that because poll watchers are only allowed at polling places, and these were just centers where people could register to vote and request a mail-in ballot and hand it back in immediately if they want... so totally not a polling place. Riiiight. Regardless, the video can go to hell. Seriously. They opened up locations where people can receive and submit ballots at the same time, declared them "not a polling place", and refused to approve poll watchers on those grounds, and their fact check is "they didn't have approved poll watchers and there are no open polling places." Jesus Christ.
Actual lies? A Portland Sheriff didn't say "I support president Trump." An officer said if people supported Trump more, the riots wouldn't be going on, but Trump claimed very specifically a sheriff endorsed him, so lie. (Note, the fact-check video couldn't find the context.) Trump didn't give incentives for electric cars, he inherited Obama's incentives for them and then fought to end the program, so that's a lie. And some of his numbers were off, so were Biden's, you're allowed to miss a statistic in a live debate, that's fine.
The candidates were pretty lousy in the debate, but shockingly honest, way more honest than the fact-checkers.