Keanu Reeves: Bill & Ted’s Excellent Adventure Part 3 Still In The Works

San Dimas’ Wyld Stallyns may not be riding again anytime soon – but there’s still hope, according to Keanu Reeves.

While the actor confirmed there is a script for “Bill & Ted’s Excellent Adventure Part 3,” it presently is too costly of an endeavor to shoot.

“It needs to be adapted because right now, it would cost $400 million to make,” Keanu told Access Hollywood guest correspondent Tim Vincent in Japan, where the actor was promoting his new film, “47 Ronin.”

PHOTOS: Keanu Reeves

While Bill and Ted previously brought various historical figures to their high school stage – like Genghis Khan and Napoleon — it sounds like the third installment would have an intergalactic flavor.

“There’s a rift in the universe and there’s all sorts of creatures,” Keanu said of things in the script that are currently making it cost prohibitive to make.

WATCH: Keanu Reeves — Is There Another ‘Bill & Ted’ In The Works?

But they are still making an effort to reunite Keanu’s Ted with Alex Winter’s Bill.

“That would be surreal,” Keanu said of his feelings on a third installment. “The script is funny and there’s a story to tell there, so there are efforts being made to try and continue that journey.”

Keanu’s current film, “47 Ronin” opens in theaters on Christmas day.

— Jolie Lash