The relationship between Oliver Queen and Felicity Smoak on the CW's "Arrow" has been somewhat ambiguous for fans -- especially given Felicity's recent romantic encounter with the visiting Barry Allen. However, Oliver and Felicity's friendship may come under some strain during tonight's midseason premiere as indicated by a clip posted by series star Stephen Amell on Facebook.

Post by Stephen Amell.

"Arrow" returns January 15 on the CW.