Basictek

We almost had a freeze in episode one, but it was just time and Loki getting slowed way down in time.
With this series being basically all about time, time lines and Time Variance Authority (TVA), seems likely we'll get a freeze at some point.
In 2 episodes we already see a "time reset" device, and have other devices for time manipulation. Hopefully we'll see a time freeze device. lol

Oh really? I'm hoping to leave every episode to marathon, I think I'll take a peek first, and I'm also hoping to have a "time stop".

Spoilers for the finale of season 2
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Well, Marvel's show about time FINALLY got a time stop scene in season 2 episode 6, it happens around halfway through the episode. Sophia DiMartino's character gets frozen in time twice or three times, and Loki himself gains the ability to stop time. Whether or not we'll see that happen more in the MCU will really just depens on if Loki will return.

Are they live freezes?

If I had to guess it seems to be a bit of both live and video freezes, since not all the shots of her frozen are static shots