Question: what is the newest episode of star vs the forces of evil
Answer: 56 21 `` Conquer '' Dominic Bisignano , Tyler Chen , Aaron Hammersley , & Brett Varon Tyler Chen , Sabrina Contugno , Casey Crowe , Aaron Hammersley , Charlotte Jackson , & Amelia Lorenz Dominic Bisignano , Aaron Hammersley , Amy Haggins , John Infantino , & Daron Nefcy April 7 , 2018 ( 2018 - 04 - 07 ) 321 0.