Watch all videos from a channel in chronological order (oldest to newest).
Intended to help you binge all the videos from a channel oldest to newest easily & simply.

• You need to watch all the videos from a cool new channel you just found, but they have tons of videos
• YouTube used to allow you to append &list=UL to any video to get a playlist of a channel's videos in chronological order
• This no longer works

This extension magically finds that use playlist & can play all videos from a channel without opening new tabs

1. Go to the Videos tab of a channel
2. Sort by "Date added (oldest)"

3. Play the oldest video
4. Click the extension icon or Alt+P keyboard shortcut

5. Problem Solved

This gets you to YouTube's auto-generated User List playlist in chronological order.
Don't worry if the current video number is always 20 or doesn't look right, it will still play oldest to newest.