“It’s been 50 years since we saw Samurai Jack and time has not been kind to him,” Adult Swim says in material accompanying the new trailer for season five of its animated series “Samurai Jack.” The channel released the trailer today.

“Aku has destroyed every time portal and Jack has stopped aging, a side effect of time travel,” the blurb notes. “It seems he is cursed to just roam the land for all eternity.”

The new season premieres Saturday, March 11, at 11 p.m. ET/PT on Adult Swim.

Here’s the trailer …