'General Hospital' Spoilers: Sam Faces Off With Elizabeth and Johnny Returns!

Brandon Barash is back as Johnny Zacchara.

During the week of December 7-11, 2015 on General Hospital, it looks like the jig is up for Elizabeth Webber. How will Jason react when he learns she knew who he was long before he did? Check out more spoilers for the week below, and watch a sneak peek video of the confrontation between Sam and Elizabeth.

* Patrick assures Emma of their future with Sam.

* Valerie asks Dante to disclose his intentions.

* Lulu makes a deal with Johnny Zacchara (Brandon Barash).

* Robin's failure results in her living on borrowed time.

* Morgan gets reckless with his meds.

* Jason is devastated after learning the truth.

In the clip below, Sam confronts Liz, pretending to know more than she really does as she accuses Liz of what she suspects: that Liz knew who Jason was long before he found out the truth.