Who's on the bill
Presented by LIVE NATION CANADA (LN)|LIVE NATION MUSIC|LIVE NATION CANADA-RBC|LIVE NATION CANADA-ROGERS
Event details
Underoath celebrates the 20th anniversary of their landmark album Define the Great Line with a special tour featuring longtime friends August Burns Red, Atreyu, As Cities Burn and Emery. Featuring fan favourites including Writing on the Walls, In Regards to Myself and You're Ever So Inviting, Define the Great Line debuted at No. 2 on the Billboard 200 and remains one of the defining heavy records of the early 2000s. This anniversary show honours the albums lasting impact with a full scale live production created for longtime fans and a new generation of listeners. This is an all-ages event. Content presented during this event may include strong language, mature themes, and imagery that some may find offensive. The views expressed by performers are for entertainment purposes only and do not necessarily reflect those of the venue. https://greatcanadian.com/event/underoath/
On sale and entry
- StatusOn sale
- Public saleStarts Fri, Aug 21, 2026, 10:00 a.m. · Ends Fri, Nov 27, 2026, 8:30 p.m.
Presale windows
|Live Nation Presales are available exclusively to Live Nation All Access members. It only takes a minute to join and membership is free. Sign into Ticketmaster with the same email address you use for All Access to automatically unlock the presale (no presale codes).||For Front Of The Line Tickets, purchase must be charged in full to an American Express Card. Subject to availability and to event and ticketing agent terms, conditions and fees. Please note: All American Express Cards are eligible for American Express Experiences tickets including Cardmembers from other countries outside of Canada.
Know before you go
Accessibility
The Theatre at Great Canadian Toronto is fully accessible. When available, accessible seating can be purchased online at Patrons may be dropped off at the West entrance on Queens Plate Drive.
Venue notes
Please check the time, date, and seats before purchasing. Tickets are non-refundable and missed performances cannot be exchanged. During some shows, camera equipment, event staff, or technical setups may temporarily obstruct views depending on seat location. If an artist invites audience members to stand or move from their assigned seats, the venue is not responsible for any resulting disruptions. Refunds or exchanges will not be issued. Doors and show times are subject to change. Please arrive early to avoid delays when entering the venue. Total event capacity is 4,970. Actual sellable capacity may vary. See venue website for answers to FAQ's.