The biking-doping series will star Samberg and 'Hamilton' breakout Daveed Diggs.

7 Days in Hell premieres on HBO at 10 p.m. on Saturday, July 11th.

Samberg and Harington go head-to-head in the longest, greatest, and most ridiculous match in tennis history.

"It was two men, stuck in eternal flames."

The HBO tennis mockumentary also stars Michael Sheen, Will Forte, and Lena Dunham.

HBO is putting together a sports mockumentary project, and the network has pulled together a rather promising comedic ensemble.  Girls writer/co-executive producer Murray Miller is teaming up with Andy Samberg to create 7 Days in Hell, which is described as a …