There is a ton of great League of Legends action across 3 continents this weekend. Here's a quick primer on everything that's happening.

Korea

Olympus Champions Winter (Saturday, 12/8)

Group Stage Inter-League Matches

1. MVP White vs Azubu Blaze (2:00 AM PST | 5:00 AM EST | 11:00 AM CET | 7:00 PM KST) (Countdown) - Azubu Blaze look to return to form after a disappointing IPL 5.
2. KT Rolster B vs Azubu Frost (~4:00 AM PST | ~7:00 AM EST | ~1:00 PM CET | ~9:00 PM KST) - A clash of titans as KT Rolster B look to continue their dominance of Champions Winter. Watch this match!

Stream: OGN LoL (Free 480P if you register) | Twitch (Free 360P)

Europe

IEM Katowice EU Cross-Realm Qualifiers (Friday, 12/7)

8 teams battle for 3 spots at IEM Katowice in Poland in January:

• Moscow Five
• Elohell
• Eclypsia
• CLG.EU
• Fnatic
• NieOrgarniamyPatch
• Mouseesports (formerly The Mighty Midgets)
• SK Gaming

Stream Live! (8 AM PST | 11 AM EST | 5 PM CET | 1 AM Saturday KST)

THOR Open 2012 (Saturday, 12/8 - Sunday, 12/9)

8 teams duke it out in Stockholm for a prize pool of 100,000 kr (about US$14,500):

• Fnatic
• ex-Mouseesports
• Copenhagen Wolves
• Team Alternate
• H2k-Gaming
• Team Solo Mebdi
• PlayZ Gaming
• DragonBorns

Brackets | No stream info/schedule yet

North America

Solomid Series Week 6 (Friday, 12/7 - Sunday 12/9)

8 teams fight for a US$3000 prize pool in the final weekly tournament before the Solomid Series grand finals:

• CLG NA
• TSM
• Team FeaR
• Curse NA
• Meat Playground
• Dignitas
• Team Dynamic
• ex-Quantic

Stream/Brackets (Friday stream starts at 3:30 PM PST | 6:30 PM EST | Sat 12:30 AM CET | Sat 6:30 AM KST)

China

G-League 2012 Season 2 (Sunday, 12/9)

8 teams in China continue the G-League group stages for a chance at a 270000 CNY prize pool (around US$43,000).

Group B Matches

1. Team WE vs Team WE i-Rocks
2. Invictus Gaming 2 vs Wayi Spider

Leaguepedia Info/Brackets

Stream (4:00 AM PST | 7:00 AM EST | 1:00 PM CET | 9:00 PM KST)