08/17/2012 05:13 pm ET

John Slattery Heads To 'Arrested Development,' Ryan Lochte Has A Tough Time On '90210' And More: What TV Taught Us This Week

With the Olympics behind us, this week in TV saw athletes stopping by talk shows and Ryan Lochte opening up about how difficult it was for him to memorize lines for his "90210" appearance.

To the dismay of "Good Wife" fans, Kristin Chenoweth left the series before she even debuted after an on-set accident, and Benedict Cumberbatch called "Downton Abbey" "f---ing atrocious."

From Lochte's statements to two thrilling new trailers, click through our slideshow for a recap of this week's events in TV and, of course, what we learned from them.

What TV Taught Us This Week