Longest episode in each season

Each season's longest episode are listed below. Each category's experiment items are listed in the order of when they were microwaved, starting with the earliest experiment onward.

Season 1

 * Toothpaste (5:17)

Season 2

 * Can of Pepsi (5:59)

Season 3

 * Eggs/soap/lighter (6:51)

Season 4

 * Plasma globe (5:21)

Season 5

 * Red spray paint (11:30)

Season 6

 * Hannah Montana singing pen (7:42)

Season 7

 * Lexus air bag (7:39)

Season 8

 * VidCon light bulbs (8:25)

Season 9

 * Unbagged popcorn (5:01)

Season 10

 * Propane tank (7:16)