The query likely combines several different pieces of information: "Hitprime":

Sites asking for personal info to "unlock" a download.

"Hitprime" is likely a typo of (Amazon Prime Video). You may be looking for a specific episode of an Amazon Prime show from Season 3, Episode 13, released in 2021. However, Amazon Prime originals rarely have 13+ episodes per season. Examples:

If you want to download or stream Season 3, Episode 13 of a show from 2021: