There were many variations to the logo; here are some.
1950s & 1960s Version
Current Version
The opening logo from 1972.
Same opening logo but the price down dollar sign has faded.
Since 1973, it was named "The Price is Right."
The opening logo gets fireworks blasting.
Here's the opening logo from the mid-1980s.
Notice that this was taken on the 26th season premiere in 1997.
The Golden logo from Tom Kennedy's 1985-1986 Nighttime Syndicated run.
This logo was used when Doug Davidson hosted the show in 1994. It has gold letters.
This was taken to celebrate its 30th season premiere in 2001 and this opening logo was used for Season 30.
This was used from Season 31 until Season 34.
This was used in the May 31, 2006 edition of Gameshow Marathon when Ricki Lake was the host, similar to that of seasons 31-34.
This was used for the September 18, 2006 edition only.
Stars and asterisks were added and were put to permanent use for the rest of the season.
After Bob retired, Drew replaced him and has been the host of the show, and this opening title was used for Seasons 36-37.
This is from Season 38 because the contestant podiums got updated and a projection screen was added in the center of the audience.
Season 39 opening logo. Same as Season 38 except it is see-through.
The 40th Anniversary logo. Notice the "40" sticking out of the Big Wheel.
This is the opening logo from Season 41.
This is the opening logo from Season 42.
Season 45 logo
Happy Halloween 2018
Decades Week (2015)
'70s logo. And they got it right with the "New" in the title. And they also got it right with the original Contestants' Row, too, and used a variation of the original egg-crate displays (imposing the font on the monitors).
'80s logo.
'90s logo.
2000s logo. And of course, this was from Drew's first year as host.