DC's Legends of Tomorrow: Episode 5x11 "Freaks & Greeks" Promo (HD)

Here's a promo for next week's episode, episode 5x11 "Freaks & Greeks".

The Flash: Episode 6x19 "Success is Assured" Promo (HD) (Season Finale)

Here's a promo for next week's season finale, episode 6x19 "Success is Assured".

Arrow: Episode 4x08 "Legends of Yesterday" Promo (HD) (Part 2 of the The Flash/Arrow crossover)

Here's a promo for tomorrow night's episode, episode 4x08 "Legends of Yesterday", which is part 2 of the crossover with The Flash. :)

Spoiler on the Arrow and The Flash crossover event from TVLine's Matt Webb Mitovich

Here's some scoop on the Arrow and The Flash crossover from this week's (Posted on 11/22/15) Matt's Inside Line column.

Anything on Arrow? Particularly Oliver and Felicity? –Caryn
This miiiiight affect Oliver and Felicity. ‘Member how last season’s #Flarrow crossover touched upon the matter of Oliver’s son via the young woman Moira years ago sent packing, to Central City? Exec producer Greg Berlanti teases that this year’s crossover event, airing Dec. 1 and 2, features a moment “very akin” to that one.

Link to the full article:‘Castle’ Season 8 Fall Finale Spoilers — Rick Investigates Kate | TVLine