Game of Thrones Season 5 has aired 4 episodes to introduce the new season's locations, story plots, and characters for the series but the White Walkers have not been part of any show yet, although the creatures remain very much a threat.

These creatures of the undead were last seen in the previous season as a White Walker on an undead horse snatched Craster's last son from the Haunted Forest, brought the baby to the White Walker camp, placed the child on an ice altar, a horned leader touching the boy's face and  apparently turning the boy into a White Walker.

The scene shocked fans because it was not part of the original material from George R.R. Martin's "A Song of Ice and Fire" novel series, according to an International Business Times report.

With Kit Harrington who plays Jon Snow confirming to E News that the White Walkers will indeed return this season, it may be asked if Craster's kidnapped son would be returning as a White Walker himself to face Snow, the newly elected Lord Commander of the Night's Watch.

But Harrington would not say in which episode the walking undead would return, "It's safe to say that you might see more of them this season. We might learn a bit more about that. But when and where, I don't know."  

The teaser of the next episode of the series does not show any White Walker. Design & Trend published the synopsis for Episode 5 titled "Kill The Boy" describing how Dany (Emilia Clarke) makes a difficult decision in Meereen, while Jon recruits the help of an unexpected ally. Brienne (Gwendoline Christie) searches for Sansa (Sophie Turner), as Theon (Alfie Allen) remains under Ramsay's (Iwan Rheon) control.

Games of Thrones Season 5 is on air Sundays at 9pm on HBO.