Bob Odenkirk says he's open to a Better Call Saul return but admits its unlikely and would have to be set in prison: he's not getting out

Bob Odenkirk’s character, Saul Goodman, was first introduced in the second season of Breaking Bad, in Episode 8, titled Better Call Saul. He later got his own spinoff series, where the viewers learned how Jimmy McGill became the crooked lawyer, Saul Goodman.