Brothers & Sisters

Synopsis
After months of covertly pursuing Dante, Diggle and Lyla finally have a solid lead on the elusive terrorist, so they deploy the ARGUS Ghost Initiative to apprehend him. Meanwhile, Oliver tries to bond with Emiko.

Trivia

 * The title, although refers to the bonding between Emiko and Oliver as well as William and Mia, shares the name with the TV series of the same name that was executive produced Greg Berlanti was one of the series' executive producers while Beth Schwartz wrote two episodes.
 * This episode marks Echo Kellum's first since his departure in the previous episode where he's not credited in the main cast bill.
 * This is currently the only episode where Dinah Drake only appears in the flash-forwards and not the present.