My list is:
Agents of SHIELD
And I've seen each episode of those mutliple times.
Most Helpful Girl
New Girl -- I've watched all seasons three times now because I adore it so much!
Parks & Rec -- Currently watching it all for a second time
Friends -- I've re-watched seasons 8-10
How I Met Your Mother
(P. S: Comedy for the win!)
Most Helpful Guy
Does this include seeing all of the episodes thus far of a currently running show?