Sitting beside Kalas in the visiting radio booth was his son, Todd, the Rays' television in-game reporter, who joined Harry to call the fourth inning of Game 1 of the World Series.
"This is the ultimate," said Todd, who provides pregame, postgame and on-field reports for Rays broadcasts on FSN. "To be in the World Series. To have Dad in the other booth. It's one of those deals where this whole season has been a fairy tale, and to have it wrap up, it's either the most vivid dream I've ever had in my life or a year I'll never forget."
Harry, a 44-year broadcast veteran, was equally grateful.
"This is very special," he said. "In '83 and '93 when [the Phillies] lost, I was pretty down. If we lose this World Series, it won't hurt as much because I know Todd won."
Although Todd worked in Philadelphia for two years in the mid-'90s, he was with a different network than his father, thus making Wednesday's one-inning merge even sweeter.
"We've never had anything like this," Todd said. "On this big of a stage? It's ridiculously fun."
It was an enthusiasm that carried over into their broadcast. From Harry's opening line to the playful pleading with Todd to put on a Phillies cap, listeners were treated to a magical fourth inning.
When the Rays played the Phillies in 2006, Todd, his brother and half-brother joined Harry in the radio booth. But Wednesday marked the first time that father and son sat side-by-side, delivering the action from both sides of the field.
On the left sat Harry, a Ford C. Frick winner in 2002. And just inches away, Todd examined Rays starter Scott Kazmir's changeup with the voice of a veteran. In his 11th season with the Rays, the younger Kalas hopes to make the shift to play-by-play someday.
The fourth inning ended with the Rays trailing the Phillies, 3-1, and Todd headed back to his broadcast booth. There was a lot of baseball left to play, but Harry made one thing clear.
"There's going to be no loser in the Kalas family," he said.
Brittany Ghiroli is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.