You can either edit your Watch list or create a list of films that you have seen.
Editing your Watch list
1. Click "You Watchlist" in the upper right part of the page.
2. Click "Edit list" near the top of "Your Watch list" page.
3. At the bottom of the page there is a box labeled "Add a movie or TV show to this list:" Enter the title of a film, television program, or other media. Alternately, if you know the constant for the title (for example, tt1270798), you can enter that instead of a title.
4. You should see a list of titles. Click on the correct title.
5. Repeat steps 3 and 4 for every title you wish to add.
6. Click the yellow "Done" button when you are finished editing your Watch list.
Creating a New List
1. Go to your list page:
http://www.imdb.com/profile/lists
2. Click "Create a new list ยป" in the upper right hand part of the page. You can also directly go to
http://www.imdb.com/list/create
3. Check the kind of list you wish to create under "What kind of list are you making:", enter a name for you list, and click the yellow "Start listing!" button.
4. Add a description for your list.
5. By default your new list will be public. If you wish to make it private, click "Change list settings".
6. At the bottom of the page there is a box labeled "Add a movie or TV show to this list:" Enter the title of a film, television program, or other media. Alternately, if you know the constant for the title (for example, tt1270798), you can enter that instead of a title.
7. You should see a list of titles. Click on the correct title.
8. Repeat steps 6 and 7 for every title you wish to add.
9. Click the yellow "Save" button when you are finished editing your new list.
For more information see:
Frequently Asked Questions about Lists