It's Only Rock and Roll - S3-E11
Visible crew/equipment: After Ralph walks into his house with Bill and Dak, when Bill explains to Pam that Dak will be spending the night, the T-mark is visible on the floor in front of Bill. (00:31:05)
The Greatest American Hero (1981)
1 mistake in It's Only Rock and Roll - chronological order
Starring: Michael Pare, Robert Culp, William Katt, Connie Sellecca, Don Cervantes
The Best Desk Scenario - S1-E9
Bill Maxwell: They give... and office like this to a kid... a girl? Come on now, counselor. I wasn't born yesterday.
Pam Davidson: No, it was more like 1880, wasn't it, Bill?
Bill Maxwell: That's very funny.