Shows

Colchester Operatic Society (COS) and Colchester Operatic Second Edition (CO2) perform a selection of shows and concerts each year, at various locations throughout Colchester.

Upcoming Shows

11th – 14th June 2025

COS present Back to the Past 
at the Headgate Theatre

Experience an unforgettable musical journey through the decades with Colchester Operatic Society.

TICKETS AVAILABLE NOW

  • The Headgate Theatre is the only website that sells genuine tickets for this show.  We do not endorse resale through Facebook or other social media.  Please beware of scammers.  If you have purchased tickets and cannot make the performance, you can return them to the Headgate box office for resale.

18th – 21st September 2025

CO2 present Charlie and the Chocolate Factory at the Mercury Theatre

TICKETS AVAILABLE NOW

  • The Mercury Theatre is the only website that sells genuine tickets for this show.  We do not endorse resale through Facebook or other social media.  Please beware of scammers.  If you have purchased tickets and cannot make the performance, you can return them to the Mercury box office for resale.

29th January – 8th February 2026

COS present Guys & Dolls 
at the Mercury Theatre

TICKETS AVAILABLE NOW

  • The Mercury Theatre is the only website that sells genuine tickets for this show.  We do not endorse resale through Facebook or other social media.  Please beware of scammers.  If you have purchased tickets and cannot make the performance, you can return them to the Mercury box office for resale.

If your interested in joining the cast or helping backstage click here to find out more.

Past Shows

2025

30th January – 9th February 2025

COS presented The Little Mermaid 
at the Mercury Theatre

Watch trailer

2024

24th October – 27th October 2024

CO2 presented Legally Blonde 
at the Mercury Theatre

Watch trailer

21st June 2024

COS headed into its 100th year and celebrated with a special one-off summer concert called Some Enchanted Evening at the Mercury Theatre

25th January – 4th February 2024

COS presented My Fair Lady 
at the Mercury Theatre

Watch trailer

2023

5th October –
8th October 2023

CO2 presented School of Rock at the Mercury Theatre

Watch trailer

14th June 
17th June 2023

COS presented ICONIC at the Headgate Theatre

Watch trailer

This wonderful concert showcased songs from artists such as Queen, ABBA, Carole King, The Kinks, Elton John, Jim Steinman, and many more

26th January –
4th February 2023

COS presented SHREK: The Musical at the Mercury Theatre

Watch trailer

2022

8th September – 18th September 2022

CO2 presented FAME at the Mercury Theatre

Watch trailer

8th June –
11th June 2022

COS presented From Page to Stage at The Headgate Theatre

27th Jan – 
6th Feb 2022

COS presented The Hunchback of Notre Dame at the Mercury Theatre

Thank you to Ellisons Solicitors for sponsoring our captioned and signed performances of our production of “The Hunchback of Notre Dame”

Watch full trailer

2021

August & October 2021

COS presented an online concert: The Show Must Go On-Line

September 2021

CO2 presented Musical Hits Through Time at the Mercury Theatre

2020

February 2020

COS presented the concert Dare to be Different at the Headgate Theatre

2019

September 2019

COS, CO2 & The Mercury Theatre presented Oliver!

January & February 2019

COS presented Annie at the Mercury Theatre

2018

September 2018

CO2 presented The Wizard of Oz at the Mercury Theatre

June 2018

COS presented our summer concert 7 Deadly Sins at the Headgate Theatre

January 2018

COS presented Hairspray at the Mercury Theatre

2017

October 2017

CO2 presented Little Shop of Horrors at the Mercury Theatre

June 2017

COS presented Seasons with Swing at the Headgate Theatre

And a charity gala performance at the Mercury Theatre in support of their Mercury Rising campaign

January 2017

COS presented Jekyll and Hyde at the Mercury Theatre

2016

September 2016

CO2 presented Carousel at the Mercury Theatre

January 2016

COS presented Sister Act at the Mercury Theatre

2015

Autumn 2015

CO2 presented Legally Blonde at the Mercury Theatre

Summer 2015

COS Presented Come Fly With Me at the Headgate Theatre

January 2015

COS presented 42nd Street at the Mercury Theatre

2014

22 January –
1 February 2014

COS present The Sound Of Music at the Mercury Theatre

2013

September 2013

CO2 presented West Side Story at the Mercury Theatre

23 January –
2 February 2013

COS presented Sweet Charity at the Mercury Theatre

2012

September 2012

CO2 presented Guys and Dolls at the Mercury Theatre

Click here to see the programmes of all the COS shows performed since our inception in 1925.

Click here for the programmes of shows CO2 have performed since they started in 1984.

You can also catch us performing at a few ‘by special arrangement’ engagements, including carol singing, musical revues and special fundraising events.  Check this site regularly for updates on these events.

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