Season 4. This season aired in 2009 and is the first season to not introduce any new characters. Like seasons 1 and 3, this season had an eight-man tournament to decide the winner.
Mr.Extremo vs The Visitor Unit 19G vs Corbata Wasabi vs Itsy Bitsy Danny Kaboom vs Evil Ira Knockout Ninja vs Mugsy Thumbscrew Miss Fitwell vs Captain Carpal Face Off Phil vs Scoutmaster Scott James Montgomery Flag vs Big Bad Billy Goatetsky Queen Nefercreepy vs Gogachog Mr.Extremo vs Queen.
Thumb Wrestling Federation: TWF is an American children's live-action television series. It aired on Cartoon Network in the United States, YTV in Canada, and on the CBBC Channel in the United Kingdom (as well as its former strands on BBC One and BBC Two). It was previously shown on The WB and Nicktoons, in the United States, as well as on networks across Europe, Asia, and Latin America.Genre: Animation.