By Lynette Rice
Updated February 21, 2013 at 10:10 PM EST
WTW The Americans
Credit: Craig Blankenhorn/FX

FX has ordered a second season of The Americans that stars Keri Russell and Matthew Rhys. The network ordered 13 more episodes of the drama, which featured the most-watched debut of any FX series ever with 5.11 million viewers. There are still nine more episodes to air of the current season, which wraps May 1.

The Americans has quickly established itself as a key part FX’s acclaimed drama line-up,” said FX Chief John Landgraf in a statement. “Executive Producers Joe Weisberg, Joel Fields and Graham Yost and their collaborators are telling riveting and deeply emotional stories and the performances of Keri Russell, Matthew Rhys, Noah Emmerich and the entire cast are simply outstanding. The show is truly worthy of its widespread critical acclaim and we are confident that its quality will continue to yield a robust and passionate audience.”

Set in 1981 just after Ronald Reagan is elected president, The Americans focuses on a complex marriage of two KGB spies posing as Americans in suburban Washington D.C.