"How I Met Your Mother" Spoilers: Barney "Comes On Down"

When will Bob Barker make an appearance on "How I Met Your Mother"? Will Marshall and Lilly get married? And will CBS cancel the sophomore comedy? Just some of the questions to ponder as the season finale approaches.

Next Monday (April 9), the comedy returns with the "Bachelor Party" episode (#19) in which Barney (Neil Patrick Harris) interferes with Ted (Josh Radnor) and Marshall's (Jason Segel) plans for the bachelor party and goes against the groom-to-be's wishes by hiring female "entertainment".

After Barney ruins Marshall's bachelor party plans, Lily (Alyson Hannigan) reveals a shocking secret about Barney that causes Marshall to rethink who his best man should be.

Then on April 30 in the episode "Showdown" (#20), Bob Barker utters those 3 magic words and Barney makes a run all the way to the showcase showdown.

He will be very ecstatic about his appearance on the "The Price Is Right," because he has wanted to meet Bob Barker his entire life.

Finally, details of the May 7 episode (#21) remain undisclosed, but the network has already revealed the major plot line for the season finale episode (#22) which is tentatively scheduled for May 14.

At Marshall and Lily's wedding, Barney discovers that Ted and Robin (Coby Smulders, pictured above) have a secret they've been hiding for weeks.

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