Conversation so far:
what was the first television special Angel was part of?
Angel performed in the ABC Family television special named Criss Angel Mindfreak: Postmodern.
Was the show a success?
CANNOTANSWER.
what other television specials was he on?
SciFi Channel aired the one-hour special Supernatural starring Angel.
How many seasons was supernatural?
CANNOTANSWER.

Question: what promotional appearances did he make?
Self-contained rewrite: what promotional appearances did Criss Angel make?