Reply 130#130 bala's post
It was a prank Jared pulled on Jensen. They were filming the scene where Jared was to cue Jensen to stop air-drumming and lip-syncing. But Jared told the crew that he wasn't going to give the cue and to just keep rolling and see what Jensen would do...
This isn't actually part of the episode. This was aired right after the episode in the US. (Unfortunately, this is not included in the episode on friendvista.)