A moving image work may consist of multiple works but lack a collective title.  A separate record is usually made for each separately titled work.  See 1A3.  However, multiple works are sometimes described on a single record.  See 1F2.2.

See:

1B3.1.  Multiple works with one predominant part

1B3.2.  Multiple works with two or more equally important parts

See also:

1B.  Title proper

1.  Title and Statement of Responsibility Area