Katherine McNamara Surprises Katie Cassidy & Juliana Harkavy With Arrow Spinoff Question (Exclusi…

Only ET has Katherine McNamara surprising co-stars Katie Cassidy and Juliana Harkavy with a special question about the 'Arrow' spinoff! Catch the all-new episode entitled, 'Green Arrow and the Canaries' when it airs Tuesday, Jan. 21 on The CW.
Exclusives from #ETonline :
• NEW From Entertainment...
Exclusives from #ETonline :
• NEW From Entertainment...