One Toe Over the Line, Sweet Jesus

S1, E4: Upon learning from the gloating Matthew that Christine is out enjoying her fifth date with an attorney, Burton (recurring guest star Matt Letscher - "Joey"), Richard does what any self-respecting ex-husband would do: He sabotages the happy couple's goodnight kiss and insults Burton with lawyer jokes. But when Richard tries to make it up to the pair by inviting them to dinner with him and "new" Christine, his best-laid plans go awry.