Panic in the Pikmin series refers to any non-lethal event that causes Pikmin to scatter and thrash around in random directions. In a panic scenario, something has scared or affected them to the point where they separate from a leader and run off, and while these Pikmin are not in any direct danger, they risk running into a more dangerous hazard or an enemy. Panic scenarios occur in Pikmin 2 and Pikmin 3, and in both games a panicking Pikmin can be returned to normal by whistling it. In Pikmin 2, Purple Pikmin are immune to some types of panic.
In Pikmin 2, Pikmin in a panic will behave differently depending on the exact source of panic. In Pikmin 3, panic scenarios visually affect Pikmin, and though they spread out in random directions, they will eventually stop panicking on their own accord. In both games, there are several scenarios that prompt Pikmin to panic: