It was confirmed by NME that Enter Shikari had finished working on their second album, Common Dreads, in March 2009 and announced that they would tour the UK and Europe during 2009.
They also made available a free download of a new song, "Antwerpen", from their website.
On 15 April 2009 "Juggernauts" was played on Radio 1 as Zane Lowe's "Hottest Track in the World" and was released as a single on 1 June 2009 with "All Eyes on the Saint" as its B side.
The band also had help from musician Danny Sneddon who helped with the recording of "Juggernauts".
On 1 May Kerrang featured their track-by-track of the album.
Metal Hammer were the first to review the album online with a track-by-track.

Common Dreads was released through Ambush Reality on 15 June 2009 and debuted at No.
 16 on the UK top 40 album chart.
The second single to be released from Common Dreads was "No Sleep Tonight".
The 7-inch vinyl, CD single and MP3 download was released on 17 August 2009.
A slightly modified version of the song "Wall" was released as a radio single, and a video for the song "Zzzonked", made of clips of a live show played at Norwich UEA, was also released.

A 2-disc version of Common Dreads was released in January 2010.
Frontman Rou Reynolds announced that "we’ve got a different artist for each single from Hospital Records to do drum 'n' bass remixes so we'll be releasing that as a 12".
Then we're doing the same thing with (dubstep label) True Tiger who've done a dubstep remix of each single."
However it was later said in a Radio 1 interview that in fact they were only having their main singles remixed.

The single "Thumper" was released on 19 January 2010, on BBC Radio One, as well as the new single "Tribalism", which was first played on Radio 1 on 16 February 2010.
These songs come off the new B-sides and remixes album Tribalism, which was released on 22 February 2010.

Throughout February–March 2010, Enter Shikari joined the Australian summer festival Soundwave along with other bands such as A Day to Remember and Architects, playing shows in Brisbane, Sydney, Melbourne, Adelaide and Perth.
The band then continued to tour Japan with A Day to Remember and Escape the Fate and in April–May 2010, they served as a support act, along with August Burns Red and Silverstein on A Day to Remember's Toursick.

On 18 and 19 December, Enter Shikari hosted two Christmas Party shows at The Forum in Hatfield, Hertfordshire.
Special guest supports included Rolo Tomassi, Young Guns, Dark Stares, Don Broco and The Qemists.
The audio from the shows was released via the band's limited edition box-set Live from Planet Earth - Bootleg Series Volume 3.
It was confirmed by NME that Enter Shikari had finished working on their second album, Common Dreads, in March 2009 and announced that they would tour the UK and Europe during 2009. They also made available a free download of a new song, "Antwerpen", from their website. On 15 April 2009 "Juggernauts" was played on Radio 1 as Zane Lowe's "Hottest Track in the World" and was released as a single on 1 June 2009 with "All Eyes on the Saint" as its B side. The band also had help from musician Danny Sneddon who helped with the recording of "Juggernauts". On 1 May Kerrang featured their track-by-track of the album. Metal Hammer were the first to review the album online with a track-by-track.
Common Dreads was released through Ambush Reality on 15 June 2009 and debuted at No. 16 on the UK top 40 album chart. The second single to be released from Common Dreads was "No Sleep Tonight". The 7-inch vinyl, CD single and MP3 download was released on 17 August 2009. A slightly modified version of the song "Wall" was released as a radio single, and a video for the song "Zzzonked", made of clips of a live show played at Norwich UEA, was also released.
A 2-disc version of Common Dreads was released in January 2010. Frontman Rou Reynolds announced that "we’ve got a different artist for each single from Hospital Records to do drum 'n' bass remixes so we'll be releasing that as a 12". Then we're doing the same thing with (dubstep label) True Tiger who've done a dubstep remix of each single." However it was later said in a Radio 1 interview that in fact they were only having their main singles remixed.
The single "Thumper" was released on 19 January 2010, on BBC Radio One, as well as the new single "Tribalism", which was first played on Radio 1 on 16 February 2010. These songs come off the new B-sides and remixes album Tribalism, which was released on 22 February 2010.
Throughout February–March 2010, Enter Shikari joined the Australian summer festival Soundwave along with other bands such as A Day to Remember and Architects, playing shows in Brisbane, Sydney, Melbourne, Adelaide and Perth. The band then continued to tour Japan with A Day to Remember and Escape the Fate and in April–May 2010, they served as a support act, along with August Burns Red and Silverstein on A Day to Remember's Toursick.
On 18 and 19 December, Enter Shikari hosted two Christmas Party shows at The Forum in Hatfield, Hertfordshire. Special guest supports included Rolo Tomassi, Young Guns, Dark Stares, Don Broco and The Qemists. The audio from the shows was released via the band's limited edition box-set Live from Planet Earth - Bootleg Series Volume 3.
Enter Shikari