'How I Met Your Mother' Goes to 'The Hills' Tonight

Fans of CBS’ Monday-night comedy lineup can rejoice right now because the two-hour block resumes tonight with all new episodes from all four sitcoms.

The gimmick casting of note is the appearance of The Hills cast members Heidi Montag and Spencer Pratt on How I Met Your Mother, along with additional guest stars Kendra Wilkinson, the Playboy Playmate from The Girls Next Door, and Kim Kardashian of Keeping Up with the Kardashians.

CBS is billing all of the guests as reality stars, but considering the female cameos, I thought the casting was going to have something to do with a wet-dream sequence for Barney. Turns out, Marshall comes down with a case of reality-star haunts, which is much less predictable and likely funnier.

The rest of tonight’s new comedy programming follows.

The Big Bang Theory
The Killer Robot Instability

Penny’s observations about Wolowitz’s romantic life (or lack thereof probably) depress him enough to cause him to lose interest in a future fighting robot competition. Fighting robots actually sound fun. [8pm, CBS]

How I Met Your Mother
Benefits

Ted and Robin designate themselves “friends with benefits” to improve their roommate situation, and reality-tv stars badger Marshall from the pages of his magazine. [8:30pm, CBS]

Rita Rocks
Old Friends

Facebook allows Rita to regain contact with an old friend. [8:30pm, Lifetime]

Two and a Half Men
Thank God for Scoliosis

Charlie and Jake compete to gain the attention of a waitress, while Alan tries to dampen his attraction to his receptionist. Carol Kane (Taxi) guest stars as the receptionist’s mother. [9pm, CBS]

Worst Week
The Article

After unintentionally interrupting Angela’s visit with her gynecologist, Sam writes about the experience to get over it, but his work is found by the wrong person. [9:31pm, CBS]

NOTE: All times are Eastern Standard Time.