It is a diuretic and might help remove the extra fluid, eventhough it won't increase circulation. The first medication that was suggested to me for sleep and pain relief was nortriptyline. I take it at bedtime.
You didn't specify prime time or American shows or cable or syndication or anything, so generally speaking, the American soap opera, Guiding Light may be the TV show with the most scripted episodes at 18,262 episodes. Technically it's more since it was on the radio for 15 years prior it moving to TV.
The show ran for 15 seasons with a total of 331 episodes, becoming the longest-running primetime medical drama in American television history. It won 23 Emmy Awards, including the 1996 Outstanding Drama Series award, and received 124 Emmy nominations, which makes it the most nominated drama program in history.