Inspired by "Top Gun," Barry decides to join ROTC. Convincedit will help discipline him, Murray orders the Captain toprevent Barry from quitting when the going gets tough,prompting Beverly to join Barry, too! Meanwhile, Adam helpsPops get his swag back with a special librarian.
Sam is shocked when his childhood imaginary friend Sully makesan unexpected appearance. Sam can't understand why he'd seeSully now but what's even more surprising is that Dean can seehim, too. Flashbacks reveal young Sam's friendship with Sullyand why he needed him.
In order to rescue Grace, Maria must trespass into Purgatoryand face a ghost from her own past; and Enos' dark forces drawcloser. Meanwhile, David confronts a terrible secret.
Josh agrees to visit Ben in hospital before his brain surgery,but keeps it a secret from Arnold. Tom discovers he haschlamydia and goes to ridiculous lengths to try and treat Ellawithout losing her.
The league is kicked off their fantasy football website, soKevin runs the league old school. Jenny deals with loss. Raficounsels Ruxin. Andre tries to co-opt Ruxin's dinnerreservation.
Lucious makes a reckless play for the streaming service that hebelieves will make him the most powerful man in music, only tolearn that the entire business strategy was part of a schemethat might bring Hakeem's ex, Camilla, back into the picture.Meanwhile, Cookie decides to plan a concert at the prisonwhere she spent 17 years locked away from her family and atragic "accident" leaves Rhonda in a scary state.
Finally, it is the day of the DMDC's annual rally and Terry isexpecting a really big turn-out. But for Andy and Lance, willthe day bring heartbreak or triumph?.
After two undercover DEA agents are murdered and a third goesmissing, the BAU joins the NSA to investigate whether anunderground Internet drug syndicate is involved. Also, Hotchhopes the team's work with the NSA brings them closer tofinding the "Dirty Dozen" hitmen ring.
Dre thinks Christmas has become commercialized and is all about"stuff", and no one loves "stuff" morethan his kids. Pops and Ruby think they have forgotten the truemeaning of Christmas and come up with a new plan to pare downgifts and spend more time together. The kids don't handle thenews well and hope that if they put on their best behavior Dreand Bow will cave in. Meanwhile, Daphne Lido, who is singlefor her first holiday alone, invites herself to the Johnsonfamily home to celebrate with them.
Oliver and Barry Allen take Kendra Saunders and Carter Hall toa remote location to keep them hidden from Vandal Savage whilethey figure out how to defeat him. Malcolm arranges a meetingbetween Vandal, Green Arrow and The Flash that doesn't go asplanned. Meanwhile, Felicity, Thea, Diggle and Laurel workwith Team Flash to come up with a weapon powerful enough todestroy Vandal Savage.