The Bill Season 26 Episode 21 (The Bill s26e21) airs on Tuesday, May 25th 2010 at 09:00 pm via ITV1.
Here is summary for The Bill Season 26 Episode 21 :

Jacob and also Terry go into Wren’s house to put a trace on his Internet activity and they find out that he has made an arrangement to meet Kelli Sutton.

Few hours after original series aired on TV, online streaming video for The Bill Season 26 Episode 21 usually available on Net and of course, if video available, as soon as possible will show you where you can watch this episode for free.