Thin Ice Madam Secretary : Season 4 Episode 19
TV-PG CBS 45m int(0)
Aired: April 29th, 2018 @ 10:00 PM EST on CBS
Elizabeth is attending a summit in Montreal to resolve territorial claims of the North Pole when an activist group detonates a bomb and she can’t locate Jason and Piper. Also, things take a turn for the worse when Elizabeth learns that Russia was involved in the bombing, and Henry helps one of his students work through a difficult decision.