Feb 01, · That all raises the level of drama, but it also reveals that our heroes are not free of failings and not free of some of the very dangers to which they seek to cure. One of the highlights of this season is the continuing story of Abby Lockhart, played by Maura Tierney, who is the glue which holds the second half of ER's 15 seasons together/5(). CBS Drama is excited to announce that the channel will introduce much-loved iconic series ER and Dynasty to its schedule this February. From Monday 12th February at 8pm, viewers will be able to relive multi award-winning series ER from the very beginning. Series Finale: ER ends its 15 year run with a two hour episode. Gates works on a young teen suffering from alcohol poisoning after playing a drinking game. Old friends come show their support when.