There are a few different things you could be referring to, as several television shows have a fifth episode in their fourth season titled or closely related themes.
Once you let me know which series you're interested in, I can provide a detailed review for you. Vikings Season 4 Episode 5 Review: Promised - TV Fanatic [S4E5] Promised
Also known as " Promised Land ," which follows Morse and Lewis investigating a case in Australia. There are a few different things you could
An episode featuring Lagertha's sudden move against Kalf and Ragnar's growing relationship with Yidu. [S4E5] Promised