He go's to lyoko in episode 65 "Final Round" the last episode of season 3
Code Lyoko - 2003 Lyoko Minus One 3-2 was released on: USA: 5 October 2006
That was the ending for either season 2 or 3
as of right now, a code lyoko interface 3 is not released. In the future it will, but for now there is no link. Sorry to burst your luck. =(
Code Lyoko - 2003 Tidal Wave 3-3 was released on: USA: 6 October 2006
Code Lyoko - 2003 The Secret 3-59 was released on: USA: 13 October 2006
Code Lyoko - 2003 The Pretender 3-58 was released on: USA: 12 October 2006
Jeremy develops this power for Aelita during the Summer between Season 2 and Season 3. <mentioned in Episode 53: Straight to Heart>
Code Lyoko - 2003 was released on: France: 3 September 2003 USA: 26 April 2004
Code Lyoko - 2003 Double Trouble 3-64 was released on: USA: 20 October 2006
Code Lyoko - 2003 Temporary Insanity 3-60 was released on: USA: 16 October 2006
Code Lyoko - 2003 Holiday in the Fog 1-3 was released on: USA: 21 April 2004