It’s been eight months since Amazon rescued The Expanse, picking up a fourth season of the sci-fi series after it was canceled by Syfy.

“The show has come back strong,” Amazon Studios’ co-head of TV Vernon Sanders said during the network’s executive session at TCA. “The fans’ love has helped us build this; we can’t wait for them to see it.”

As to when that will happen, “Hopefully, we are working toward having it on before the end of the year,” he said, later reiterating that the plan for The Expanse is to return before the end of 2019.

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Sanders later shared more about what to expect next season.  In the Season 3 finale, the Ring gates opened, with the gang passes through it. “We will see what is on the other side,” Sanders told Deadline.

He confirmed that all series regulars are coming back, with the show also set to introduce new characters. Will The Expanse be bigger and better on Amazon?

“I may be biased, but it is definitely an expansive Season 4 of The Expanse,” he said.

The Expanse, from Alcon and the Sean Daniel Co, is one of the most well reviewed sci-fi series on TV, with the current third season scoring 100% on Rotten Tomatoes (vs. 95% for Season 2 and 76% for Season 1). Amazon picked the series up following a massive save-the-show campaign by Expanse fans in the wake of its cancellation by Syfy.

Co-created and written by Oscar-nominated screenwriting duo Mark Fergus and Hawk Ostby (Children of Men), the series is based on the bestselling book series by Daniel Abraham and Ty Franck (under the pen name James S. A. Corey). The cast includes Steven Strait, Shohreh Aghdashloo, Dominique Tipper, Cas Anvar, Wes Chatham, Frankie Adams and Thomas Jane.