Trouble: [s2e3] Double

If you are referring to a different series, several others have an episode with this title and numbering:

: Season 2, Episode 3 features snake rescues described as "Double Trouble". [S2E3] Double Trouble

: The ninjas are invited back to Darkley's Boarding School, only to discover it is a trap . Lord Garmadon uses his new Mega-Weapon to create evil replica ninjas to fight the heroes. If you are referring to a different series,

: Season 2, Episode 3 is titled "Double Trouble," involving a prank with a boy who looks identical to the character Obaid. Episode 3 is titled "Double Trouble