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Engage!

A new full-length trailer for "Star Trek: Picard" debuted at San Diego Comic-Con and it was full of surprises. The series, which follows Jean-Luc Picard (Patrick Stewart) in retirement, will feature two characters from past series. Jean-Luc Picard's "dead" crew member Data (Brent Spiner) as well as "Star Trek: Voyager's" Seven of Nine (Jeri Ryan) appear.

The latter shows up to Picard's vineyard, where the venerated Enterprise captain has retired from Starfleet. "What the hell are you doing out here, Picard?" she asks. "Saving the galaxy?"

Isn't that what he does? The trailer lays out more of the story we can expect from the season. Picard meets a young woman with special powers who comes to him for help. So he does what he's good at: assembles a new crew (including Michelle Hurt and Santiago Cabrera) and returns to space.

As for Data, we see his disassembled body. But at the very end of the trailer, we see Picard playing chess with ... Data.

"I don't want the game to end," Picard says.

"I can see that, Captain," Data replies.

During the panel, showrunner Michael Cabon revealed more familiar faces will be popping up — including Jonathan Frakes as Will Riker and Mirina Sirtis as Deanna Troi.

"Star Trek: Picard" is set to premiere on CBS All-Access in 2020.

For all of our San Diego Comic Con coverage, please click here!