A spy after nuclear secrets poisons a scientist to obtain the information. But when scientist collapses on the street, he discreetly passes the chip on to Ellie. Then the spy goes after Ellie poisoning her. As team Chuck sets a trap for him, they all get exposed to the poison. Now they all need the cure. The poison compels them to tell the truth, which creates a dangerous situation for Chuck and Sarah. Written by
Did You Know?
The visual effect seen from different character's perspectives while under the effects of pentothol is vaguely similar to the method used in the film True Lies. See more
When Chuck and Sarah drink their antidotes, Sarah's vial has significantly more in it when she lowers it than it had when she had finished drinking it in the previous shot. See more
[knocking on the bad guy's door after being exposed to truth serum
The NSA, CIA, and me! Which is a little harder to explain...
References Dennis the Menace