Once again, oil was in control of stocks on Friday. The market is so interlinked with crude that Jim Cramer pretty much knows if oil opens down, so will stocks.
"Oil is in control as we saw today. That is OK, as long as we know what we want to buy as we can use the declines to put money to work in situations that might not otherwise be down if it weren't for crude's weakness," the "Mad Money" host said.
While individual stocks can transcend oil, Cramer anticipates that crude will be in the driver's seat again next week because of the OPEC meeting in Doha. Oil ministers from both OPEC and Russia are expected to gather to discuss freezing oil production.
"This meeting isn't about freezing anything. There are way too many countries involved and OPEC itself is basically broken. It is every country for itself in the oil market," Cramer said.
Cramer recognized that OPEC is still relevant, but in his perspective, everything comes down to supply and demand. Right now supply is being cut back in the U.S. and demand worldwide is picking up.
Cramer expects that no conclusions will be reached at the meeting, and oil will sell off. That is when he wants investors to buy favorite stocks — but not oil stocks — that are taken down by a market-wide sell-off.
At a time when many investors are scrambling to submit tax returns, Cramer crowned one company the tax king to buy.
"I can't tell you who to use to actually do your taxes, but we can figure out which of these stocks is the one to buy if you are looking for a play on tax season," the "Mad Money" host said.
H&R Block and Intuit are the two big players to put to the test. Intuit is the company behind TurboTax, the software used by millions to do taxes online, and also provides software to assist small businesses with accounting and payroll.
On the other hand, H&R Block is the No. 1 player in the industry, with brick and mortar locations to assist customers with taxes in person, and it also has an online business.
"If you are looking for a way to play tax season, I say go with Intuit over H&R Block," Cramer said. (Tweet This)
Read More Cramer's tax day showdown: Intuit vs. H&R Block
Cramer is always on the lookout for new themes and innovation that could prompt a portfolio to outperform. One of the big ongoing themes is the proliferation of big data.
The amount of digital information available has exploded, and the technology used to store, retrieve and analyze that data has grown with it. That means a physical location to store all of the data must exist.
Data centers, therefore, have grown significantly in recent years. They are not just about big data, but they are an essential component of cloud computing that has taken the world by storm.
Cramer highlighted Equinix and CoreSite Realty as two ways to play the data center theme.
"If you are looking for a way to play the rapidly growing data center space, I like the fast growing, domestic CoreSite more than its larger, more established competitor, Equinix," Cramer said.
Cramer always tells investors to teach children about investing as soon as possible. Unfortunately, many are deterred by what can be a difficult process to establish a brokerage account for their child. If a family member wants to buy stock for a niece, nephew or grandchild, it can be even more difficult because it will require a social security number.
That problem now has a solution, thanks to a privately held company called Stockpile, which sells the world's first gift cards for stocks. Customers can purchase a gift card for a set dollar amount, and redeem it for fractional shares in a given company.
Stockpile created a fractional-share trading platform that operates as a fractional-share broker. Anyone is permitted to create a Stockpile account to buy and sell fractions of stocks for just 99-cents a trade.
"I think this could revolutionize the way people give stocks to their kids, and possibly usher in an era where many more children get interested in the market at much younger ages," Cramer said.
Cramer spoke with Stockpile's co-founder and CEO Avi Lele, who explained that the price of 99-cents per trade was inspired by Apple's iTunes, for the millennial generation.
"The key here is to keep things really simple — not intimidating — and cheap," Lele said.
In the Lightning Round, Cramer gave his take on a few caller favorite stocks:
J.C. Penney: "I'm concerned about mall traffic. I think mall traffic is slow enough that I actually cannot right now say buy J.C. Penney. As a matter of fact, I'm going to say don't buy."
NCR Corp: "It's had a very huge run. I do like [CEO] Bill Nuti from the old days, but I do think the stock is up too much. I'm not going to recommend it right here."