Missing Credit info for actor Ricard Thomas?

Actor Richard Thomas Known for playing John Boy in The Waltons. Richard Thomas - IMDb Looking through his credits I don't see "it's a Miracle" listed. He was the host of that show from 1998 thru 2004. On the INMD page for the series itself you do give him credit for 69 episodes, but I don't see that series listed on his own credits page? It's a Miracle (TV Series 1998–2004) - IMDb