Following the first sneak peek, four more clips from Once Upon a Time‘s upcoming episode “In the Name of the Brother” have been released.

In this episode of Once Upon a Time, Gregory Itzin and Chad Michael Collins will guest star as Doctor Frankenstein (David Anders)’ father and brother/monster respectively, as we flash back to the black and white world.

Meanwhile in Storybrooke, the residents have to deal with the arrival of a mysterious stranger while Rumpelstiltskin has to figure out what to do with Belle, who has lost her memories.

See these four new promotional clips from the episode. The first shows a flashback to Frankenstein’s past:

The second clip features most of the main characters discussing what to do about Regina:

Here, Hook wakes up in the hospital, to find himself face to face with Emma:

And finally, Cora creepily stalks her daughter while Henry makes his way into Regina’s crypt:

Once Upon a Time 2×12 “In the Name of the Brother” airs Sunday at 8/7c on ABC.

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