Opening[]
The opening theme is " Sorairo Days " (空色デイズ, Sorairo Deizu, lit. "Sky-Blue Days") by Shoko Nakagawa compiled into a one minute and thirty-second long intro. There are three different visual versions of this opening, each catering to the changing character and story focuses on the respective arcs they were covering. Starting from episode 17, the song's second verse and chorus were used in the opening, as compared to the first verse and first chorus that was used in previous episodes.
Tengen Toppa Gurren Lagann Opening
Tengen Toppa Gurren Lagann Opening (Ver. 2)
Tengen Toppa Gurren Lagann Opening (Ver. 3)
Closing[]
For episodes 1 through 15 the ending theme is ["Underground"] by [High Voltage] .
Tengen Toppa Gurren Lagann Ending 1
["Happily Ever After"] by [Nakagawa] was used in episode 16. ["Minna no Peace"] (みんなのピース, Minna no Pīsu, "Everyone's Peace") by [[1]] was used for episodes 17 to 27.
Tengen Toppa Gurren Lagann Ending 2