The "valentine" opening credits seen in syndication were *not* the original opening credits. When the series originally aired on CBS, the credits featured animated stick figures of Lucille Ball and Desi Arnaz along with the sponsor's product--Phillip Morris cigarettes, for instance. The "valentine" credits were added when CBS began rerunning the series in 1958. References to the series' original sponsor, Phillip Morris, can still be seen in some episodes today. Most notable ...[Read Story ]