Peter Gallagher and Kari Matchett

Can the Campbells be one big happy family on Covert Affairs?

On Tuesday's episode (9/8c, USA), Arthur (Peter Gallagher) visits Joan (Kari Matchett) in her new — and his former — head of the DCS office and semi-apologizes to his pregnant estranged wife for resigning ostensibly because of a (fake) affair. (But not for, you know, the secret undercover son thing.)

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"Joan, the baby's changed everything for me," he says.

Check out the exclusive clip below to see Joan's response. Covert Affairs airs Tuesdays at 9/8c on USA.