Kemper (Ai-Wire/WENN.com)

Coming up in Primetime Television.

There are some ups and downs in Primetime television during the week of April 15. This week’s Primetime Dish column highlights episode teasers, casting scoops, TNT premiere dates, a “Girls” actor abruptly leaves his role, an A&E series gets renewed, two series’ stars write a couple of upcoming episodes, a Black Sabbath performance, and more…

90210:
A big reveal takes place in the CW’s April 15 9:00 PM episode titled “A Portrait Of The Artist As A Young Call Girl.” Monday Episode Teasers: Annie is forced to admit that she is Author X after Jordan asks Naomi to launch a party for the latest hot writer. Silver worries Adrianna isn’t okay with her dating Mark, and Dixon realizes Michaela has feelings for Navid.

American Dad:
Ellie Kemper (“The Office”) will voice Jenna, Steve’s secret love, sometime during season nine. The FOX animated series returns with a new episode on Sunday April 14 at 9:30 PM.

Arrow:
On Wednesday April 17 at 8:00 PM the CW will air a repeat of its February 27 episode titled “Dead To Rights.”

Bates Motel:
Renewed! Not even a month on the air and A&E has green-lighted its drama series for season two. 4.5 million viewers tuned in for its premiere in March, which made it A&E’s most-watched original drama debut in the key demos in the network’s history. Production for the new season, containing ten episodes, will begin later this year and will air in 2014. Tune in Mondays at 10:00 PM.

Beauty And The Beast:
In the CW’s Thursday April 18 9:00 PM episode titled “Heart Of Darkness” Evan confesses his love to Cat. The person who tipped off Muirfield to Vincent’s whereabouts is revealed, and Gabe finds evidence of a department mole.

Californication:
Michael Imperioli (“Sopranos”) has landed a major recurring gig on the Showtime series. Look for him to play television producer Rick Rath in season seven, which will begin production this month with a 2014 premiere.

Cold Justice:
TNT’s new series will premiere on Tuesday September 3 at 10:00 PM.

Community:
In NBC’s Thursday April 25 8:00 PM episode titled “Basic Human Anatomy” Annie and Shirley join forces to bring down Leonard, who holds the spot as class valedictorian. Troy and Abed start acting funky while re-enacting a critical scene from one of their favorite body switching films at Greendale. Academy Award winner Jim Rash, who plays Dean Pelton, wrote the episode that stars Joel McHale (Jeff Winger), Chevy Chase (Pierce Hawthrone), Gillian Jacobs (Britta Perry), and Ken Jeong (Señor Chang).

CSI:
Tim Matheson (“Hart Of Dixie”) will guest star in a two-episode arc beginning in the series finale on May 15. He’ll play Dr. Tate and will again appear in the first episode of season fourteen. Tune in to CBS Wednesdays at 10:00 PM.

In other news… Black Sabbath (Ozzy Osbourne, Tony Iommi and Geezer Butler) will perform a new song during the Wednesday May 15 10:00 PM CBS season finale. Their song, “End Of The Beginning,” is off their new album, which will be released on June 11. “When we first heard that Black Sabbath was interested in premiering a song on ‘CSI’ from their first studio album in 35 years, we were all really excited. So many of us are longtime fans,” said Executive Producer Don McGill. “And seeing as the album is titled ’13’ and this is the finale of ‘CSI’s’ Season 13, it seemed like the perfect match. We couldn’t be more thrilled.”

Dallas:
Back-to-back episodes! Fans don’t want to miss the back-to-back season finale episodes on Monday April 15 at 8:00 PM titled “Guilt By Association” and “Legacies.” Until then read our Dallas Spoilers for the twists and turns leading up to the end of season two.

Dexter:
Yvonne Strahovski (“Chuck”) will return as Hannah McKay for multiple episodes during season eight. The Showtime series returns on June 30.

Franklin & Bash:
The TNT series will return with a two-hour season three premiere on Wednesday June 19 at 9:00 PM.

Games Of Thrones:
In HBO’s Sunday April 21 9:00 PM episode titled “And Now His Watch Is Ended” The Night’s Watch makes preparations. Varys meets with someone. Arya is faced with the commander of the Brotherhood, and Daenerys trades a chain for a whip.

Girls:
Christopher Abbott, who has played Charlie Dattolo since 2012, has unexpectedly left the HBO comedy. The New York Post is reporting that Abbott and his co-star Lena Dunham (Hannah Horvath) had been butting heads.

Glee:
As a reminder, Soaps.com covers the goings on at McKinley High. Tune in each Thursday and read our Glee Weekly Recaps, which are posted after the show airs. Visit our Glee Spoilers to find out what dance is featured in Thursday’s April 18 episode titled “Funny Girl.”