Template:Infobox Simpsons episode/doc

Usage
 {{Infobox Simpsons episode }}
 * episode_name     = Days of Future Future
 * image            =
 * alt              =
 * image_caption    =
 * episode_no       = 548
 * prod_code        = SABF12
 * airdate          = {{Start date|2014|4|13}}}
 * show runner      = Al Jean
 * writer           = J. Stewart Burns
 * director         = Bob Anderson
 * blackboard       =
 * couch_gag        = The couch and the floor are covered in bubble wrap, which everyone pops.
 * guest_star       = Amy Poehler as Jenda
 * commentary       =
 * season           = 25