VIDEO: Watch Previews for This Week's SILICON VALLEY, VEEP on HBO

Below, check out clips from Silicon Valley episode 4 airing on Sunday at 10PM and Veep episode 4 airing on Sunday at 10:30PM on HBO.

Silicon Valley Season 1: Episode 4 "Fiduciary Duties" debuts SUNDAY, APRIL 27 (10:00-10:30 p.m.)

Other HBO playdates: April 27 (1:00 a.m., 3:00 a.m.), 28 (midnight), 29 (10:00 p.m.) and 30 (8:00 p.m.)

HBO2 playdates: April 28 (10:30 p.m.) and 29 (1:30 a.m.)

At Peter's toga party, Richard drunkenly promises to make Erlich a board member, which he regrets the next morning. After being unassigned at Hooli, Big Head finds others like him who have made careers out of doing nothing. Richard struggles to put Pied Piper's vision into words for a presentation without Erlich; later, he discovers an interesting connection between Peter and Gavin Belson.

Written by Rob Weiner; directed by Maggie Carey.

Veep Season 3: Episode 4 "Clovis" debuts SUNDAY, APRIL 27 (10:30-11:00 p.m.)

Other HBO playdates: April 27 (12:30 a.m., 3:30 a.m.), 28 (11:30 p.m.), 29 (10:30 p.m., 12:30 a.m.) and 30 (8:30 p.m.), and May 1 (9:00 p.m.) and 2 (1:30 a.m.)

HBO2 playdate: April 28 (10:00 p.m.)

On a fundraising trip in Silicon Valley, Selina is challenged by an anti-fracking mom and visits the campus of Clovis, a tech company with an ambitious young CEO. In D.C., Jonah makes a crude viral video of the Selina-mom encounter, and Dan, with Ben's (Kevin Dunn) help, gets an idea for a rumor he can spread against Chung (Randall Park).

Teleplay by Kevin Cecil & Roger Drew & Andy Riley; story by Armando Iannucci & Kevin Cecil & Roger Drew & Andy Riley; directed by Armando Iannucci.

Photo credit: Jaimie Trueblood/HBO.

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