We may never know what those two shows were unless Adams opens up about them.
That brings us to the final series Adams mentions.
That is because her role on the Season 1 Smallville episode “Craving” was most assuredly a guest appearance given the nature of her character’s backstory.
The other series remain possibilities for both the first and second shows that Adams was fired from given the clues available, although it all depends on whether she was fired before any episodes made it to the airwaves and she was given credit.