Theater this weekend, for kids

10 a.m.

• Wiggle Worms

  Eaton Public Library

  For babies, toddlers and preschoolers, until 11 a.m.

  MusicFree

7 p.m.

• UAP: Unidentified Aerial Phenomenon (A Circus Story Out of This World)

  A family-friendly circus show follows an unidentified aerial phenomenon arriving at a circus, with aerial silks, trapeze, flow arts and acrobatics.

  Fort Collins Circus Center

  For families, until 9 p.m.

  Arts$30 Adults/ $15 Youth

• Open Mic/ Open Floor Night

  Community members can perform short, family-friendly acts or watch, with a silent auction fundraiser and refreshments.

  Front Range Classical Ballet Academy, 3501 S. Mason Unit #1, Fort Collins

  For families, until 9 p.m.

  MusicFree

7:30 p.m.

• Fall Dance Concert

  A dance concert presents original works by faculty, guest artists and student choreographers, including work by choreographer Kade Pyle.

  UCA - Dance Theatre, Fort Collins

  For kids, until 9:30 p.m.

  Music

10:30 a.m.

• Centennial State Ballet Presents "The Nutcracker"

  Dancers perform ballet excerpts with a simple reading of the story between selections, for all ages.

  Erie Community Library

  For babies, toddlers, preschoolers, kids and families, until 11 a.m.

  MusicFree

2 p.m.

• Fall Dance Concert

  A dance concert presents original works by faculty, guest artists and student choreographers, including work by choreographer Kade Pyle.

  UCA - Dance Theatre, Fort Collins

  For kids, until 4 p.m.

  Music

7 p.m.

• UAP: Unidentified Aerial Phenomenon (A Circus Story Out of This World)

  A family-friendly circus show follows an unidentified aerial phenomenon arriving at a circus, with aerial silks, trapeze, flow arts and acrobatics.

  Fort Collins Circus Center

  For families, until 9 p.m.

  Arts$30 Adults/ $15 Youth

7:30 p.m.

• Fall Dance Concert

  A dance concert presents original works by faculty, guest artists and student choreographers, including work by choreographer Kade Pyle.

  UCA - Dance Theatre, Fort Collins

  For kids, until 9:30 p.m.

  Music