Justice League - 2001 Secret Origins Part II 1-2 was released on:
USA: 17 November 2001
The second episode of Justice League is called "Secret Origins Part 2."
Justice League - 2001 Secret Society 2-17 was released on: USA: 22 November 2003
Justice League - 2001 Secret Society Part II 2-18 was released on: USA: 22 November 2003
The seasons don't have names, just numerical designations, but the first episode was the three parter, Secret Origins
Presuming you mean the "Justice League" series (2001-2006), there is no such episode where he 'meets them'. He was there at the end of "Secret Origins Part 3" when they decided to become a team but he declined to become a full member but told them to call when they needed him.
Justice - 1954 Guilty Secret 2-25 was released on: USA: 17 March 1955
the type of justice you get in secret.....
Challenge of the SuperFriends - 1978 Secret Origins of the SuperFriends Terror from the Phantom Zone 1-8 was released on: USA: 28 October 1978
Digital Justice - 2012 Recon Robotics Scout SWAT's Secret Weapon was released on: USA: 20 April 2012
Wonder Woman and batman are going out. If you watched Justice League Unlimited you would have known.
The Secret of the League was created in 1907.
Black Canary I (Dinah Drake Lance) first appeared in Flash Comics #86 (August 1947), but her first chronological appearance is found in Secret Origins, vol. 2 #50 (August 1990). This was the Black Canary that was a member of the Golden Age Justice Society of America or more commonly Black Canary of Earth-2, in the pre-Crisis on Infinite Earths continuity.Black Canary II (Dinah Laurel Lance) first appeared in Justice League of America #75 (October 1969), but her first chronological appearance is found in Justice League of America #220 (November 1983). This was the Black Canary that was a member of the Silver Age Justice League of America or more commonly Black Canary of Earth-1, in the pre-Crisis on Infinite Earths continuity.Her first post-Crisis appearance was in Legends #4 (February 1987), but chronologically Secret Origins Vol. 2 #32 (November 1988). This is the current Black Canary that went on from the JLA to form Birds of Prey and is the daughter of the original Black Canary (Dinah Drake Lance).