Brown Betty Fringe : Season 2 Episode 20
TV-14 FOX 46m int(0)
Aired: April 29th, 2010 @ 9:00 PM EST on FOX
When Peter disappears, Walter seeks solace in marijuana. In that state of mind, he and Astrid babysit Olivia's niece Ella, and Walter tells her a fairy tale of a gentle inventor, a stolen glass heart, a detective looking for true love, and a mysterious group of bald men known as the Watchers.