"Trouble" is the first single from Shampoo's 1994 debut album We Are Shampoo. The song was the band's most successful single, reaching No. 11 in the UK and making the top 20 in Australia, Belgium, Finland and the Netherlands as well as number 37 in Canada. Attempting to break into the US market, the song was released as a promotional single for the 1995 film Mighty Morphin Power Rangers: The Movie, in anticipation of the release of the US version of We Are Shampoo. A new music video was recorded featuring clips from the Power Rangers film. NME magazine ranked "Trouble" at number 23 in their list of the 50 best songs of 1994.