In most episodes, Tom or Jerry would smoke ciggarets or cigars, definintly in "Professor Tom", Tom's face turns green ( Not a good sight). Both 1948. "Old Rockin' Chair Tom" has the first apperence of Lightning the Ginger cat, what ever a ginger cat is. I'll try looking it up. Oh, well. Gotta go, see The Original Adventures Of Tom and Jerry: Season 2, episode 5 next time.